Tri Martiana (Prof., Dr., dr., MS.)

Fakultas Kesehatan Masyarakat, Keselamatan dan Kesehatan Kerja

Untuk mengupdate profil, silahkan mengirimkan profil terbaru ke admin@pih.unair.ac.id

Profil Dosen
Jenjang Pendidikan
No Jenjang Pendidikan Institusi Mulai Berakhir
1 Program Sarjana Universitas Airlangga 1982 1986
2 Program Magister Universitas Airlangga 1989 1991
3 Program Doktor Universitas Airlangga 1996 1999
Riwayat Mengajar
No Subjek
1 Occupational Health and Safety
2 Hygiene Industri
3 Public Health Surveillance
4 Biomedic ( Undergraduate level)
5 Basic of Occupational Health
6 Philosophy ( Master level )
7 Occupational Epidemiology ( Master level)
8 Occupational and Health for Hospital
9 Industrial Toxicology
10 Ergonomi ( Doctoral level )
11 Hygiene Industri ( Doctoral level)
Bidang Riset
No Subjek
1 Public Health
2 Occupational Safety and Health
3 Industrial Toxicology
4 Health
5 Surveillance
Publikasi
No Publikasi Tahun
1 Analysis of Factors Related to the Fatigue of Work on the Part of Production Workers at PT. X Wonogiri. ( Co- Author). ISSN 2224-5790 ( print) ISSN 2225-0514 (online). Vol 7 No. 6 tahun 2015. Civil and Environmental Research 2015
2 Differences of work stress between nurses as member of an informal group and those of non members in Hospital at Medan. ( Co-Author). ISSN 2. March 2015. Vol 7. No.2. International Journal of Academic Research 2015
3 Ethnomedicine of Dayak Paramasan Ethnic in the Meratus Mountains ( part 1): The Medicinal plant for Diarrhea and Respiratory Disorder. ( Co-Author). May, 2015. ISSN 2090-4274. Journal of Applied Environmental and Biological Sciences 2015
4 Ethnomedicine of Dayak Paramasan Ethnic in the Meratus Mountains ( part-2) : A Correlation of Spiritual Belief and Distress Level to Patient who had been done Ethnomedicine treatment ( Co-Author). June 2015, ISSN 2090-4274. Journal of Applied Environmental and Biological Sciences 2015
5 Risk Factor Analysis Influence Pulmonary Function of Diesel Power Plant Workers in Samarinda City ( Co-Author). Vol 3. ISSUE 05 ISSN 2347-4289. International Journal of Technology Enhamcements and Emerging Engineering Research 2015
6 Analysis of Photokeratitis Related Risk Factors in Welders of PT PAL Indonesia (Persero) Surabaya. ( Co-Author). e-ISSN: 2319-1163/ p-ISSN: 2321-7308. Vol 4. Issue4; April 2015. International Journal of Research in Engineering and Technology 2015
7 Kepadatan Vector Penyakit dan Kondisi Kesehatan Masyarakat di Sekitar Tempat Pembuangan Akhir Sampah di Keputih Kecamatan Sukolilo. Vol 3, No.1. Journal Penelitian Universitas Airlangga 1995
8 Pengetahuan dan Perilaku Masyarakat Perkotaan Terhadap Imunisasi Hepatitis B. Vol 21 No. 2. Media IDI 1996
9 Penerapan Cuti dan Pelaksanaan Cuti Haid Pada Tenaga Kerja Wanita di Kota Madya Surabaya. Vol 5. No.1. Journal Penelitian Universitas Airlangga 1997
10 Peran Lingkungan Kerja terhadap Stress kerja dan pengaruhnya pada Kesejahteraan keluarga. Volume 6 Nomor 2, Page 67-139. "Scientific Journal of Population" Berkala Ilmiah Kependudukan 2004
11 Upaya Kesehatan Kerja Sektor Informal dan Lingkungan Perumahan Nelayan di Kabupaten Lombok Timur NTB. Volume 2, No. 2, Page 153-162. Journal Kesehatan Lingkungan 2006
12 Profil Kondisi Lingkungan Kerja di Industri Pengolahan Udang. Volume 3, no. 1, July 2006. Journal Kesehatan Lingkungan 2006
13 Analisis Risiko Penularan Tuberculosis Paru Akibat Faktor Perilaku dan Faktor Lingkungan pada Tenaga kerja di Industri. Vol 23. No.1 Maret 2007, Page 28-34. Journal "Berita Kedokteran Masyarakat” 2007
14 Use Of Haematological And Immunological Biomarker As Indicator Of PB Intoxication. Vol 43. No 3 July-September 2007, Page 148-152. Journal " Folia Medica Indonesiana " 2007
15 Effect of Circardian Rhythm Change on Innate Immunity Response. Vol 4. No.2 November 2007, Page 48-51. Journal "The Indonesian Journal of Public Health " 2007
16 Hubungan Antara Stresor Kerja dengan Insomnia pada Kerja Bergilir Bagian Central Processing Area di Job P – Pej. Tuban (Co – Author). Vol 3 no 1, Januari- Juni 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
17 Hubungan Antara Karakteristik Individu Unit Kerja dan Faktor Ergonomi dengan Keluhan Kesehatan di Industri Kecil Sepatu Kota Mojokerto (Co – Author). Vol 1 no 1, Januari-April, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
18 Analisis Save Behavior dengan Pendekatan Bahavior-Based Safety pada Radiografer di Rumah Sakit Dr. Soetomo, Surabaya (Co – Author). Vol 1 no 1, Januari-April, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
19 Pengaruh Faktor Karakteristik Petani dan Metode Penyemprotan Terhadap Kadar Kolinesterase (Co – Author). Vol 1 no 1, Januari-April, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
20 Analisis Tingkat Risiko Muskuloskeletal Disorders (MSDs) dengan The Rapid Upper Limbs Assessment (RULA) dan Karateristik Individu Terhadap Keluhan MSDs (Studi Pada Perawat di RSUD Bhakti Dharma Husada Surabaya) (Co – Author). Vol 3 no 2, Juli-Desember 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
21 Beberapa Faktor yang Berhubungan dengan Perilaku Pekerja dalam Penerapan Safe Behaviour di PT. Hanil Jaya Steel (Co – Author). Vol 1 no 2, Mei-Agustus, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
22 Keluhan Muskuloskeletal Berdasarkan Karakteristik dan Sikap Kerja pada Pekerja PT “X” (Co – Author). Vol 1 no 3, September-Desember, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
23 Hubungan Lifting Index dan Beban Angkat dengan Keluhan Sistem Muskuloskeletal pada Pekerja Pengangkut Barang. (Co – Author). Vol 1 no 3, September-Desember, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
24 Risk Assessment pada Departemen Spinning 1 Unit Ring Frame Sebagai Upaya Pencegahan Kecelakaan Kerja di PT “X” . (Co – Author). Vol 1 no 3, September-Desember, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
25 Faktor – Faktor yang Berhubungan dengan Keluhan Subyektif Accupational Overuse Syndrome pada Pekerja Pengesol di Sentra Industri Sandal Sidoarjo. (Co – Author). Vol 1 no 3, September-Desember, 2014. The Indonesian Journal of Occupational Safety and Health (IJOSH), 2014
26 Global Health Conference Asia Pasia Pacific Academic Consurtium for Public Health the 45 th Annual Conference. Wuhan, China 2013
27 APACPH Annual Conference. Kuala Lumpur 7th - 9th November 2008 2008
28 Presented in First Singapore Public Health and Occupational Medicine Conference. Singapura, 22-23 April 2005 2005
29 The Japan International Center for Occupational Safety and Health (JICOSH). May 22,2007 to June 7, 2007 2007
30 The 13th UNFCCC C.O,P Paralel Event Consultative Meeting Of Public Health Profesionalis: Climate Change and Health Impacts. Bali, 10-12 December 2007 2007
31 8th South East Asia Ergonomic Society Conference, 12th Indonesia Physiological Society Congress and 15th Scientific Seminar of Indonesian Physiological Society (Congress& International Seminar, Conference SEAES IPS). Bali 23-25 May 2005 2005
Keanggotaan Asosiasi
No Asosiasi
1 Ikatan Dokter Indonesia (IDI) Surabaya (1988 – Now)
2 Ikatan Dokter Kesehatan Kerja Indonesia (IDKKI) Jawa Timur (1994 – Now)
3 Ikatan Ahli Kesehatan Masyarakat Indonesia (IAKMI) Wilayah Jawa Timur (1990 – Now)
Penghargaan
No Penghargaan Tahun
1 Satyalancana Karya Satya 10 tahun. Presiden RI 2001
2 Satyalancana Karya Satya 20 tahun. Presiden RI 2014
Informasi Lain

II. EDUCATIONAL BACKGROUND
2.1. Program: Bachelor Master Doctoral
2.2. University Airlangga University
Surabaya, Indonesia (graduate 1986) Airlangga University
Surabaya, Indonesia (graduate 1991) Airlangga University
Surabaya, Indonesia (graduate 1999)
2.3. Discipline Pendidikan Dokter (dr.), Faculty of Medicine Master of Science (MS),
Master of Public Health Doctor (Dr.),
Medicine Post Graduate Program


III. AWARDS
Number Years Name of Awards From
1. 2001 Satyalancana Karya Satya 10 tahun Presiden RI
2 2014 Satyalancana Karya Satya 20 tahun Presiden RI

IV. ACADEMIC SERVICES
Teaching:
1. Occupational Health and Safety ( Undergraduate level )
2. Hygiene Industri ( Undergraduate level )
3. Public Health Surveillance ( Undergraduate level )
4. Biomedic ( Undergraduate level)
5. Basic of Occupational Health ( Master level)
6. Philosophy ( Master level )
7. Occupational Epidemiology ( Master level)
8. Occupational and Health for Hospital ( Master level)
9. Industrial Toxicology ( Doctoral level )
10. Ergonomi ( Doctoral level )
11. Hygiene Industri ( Doctoral level)
(ex. Research Methods (undergraduate, master and doctoral level)
Graduated Advisees: ( 10 years )
- Undergraduate: 70 students
- Master: 30 students
- Doctoral: 5 students
Advising:
- Undergraduate: 6 students
- Master: 6 students
- Doctoral: 5 students

 

V. RESEARCH INTERESTS
Public Health,
Occupational Safety and Health,
Industrial Toxicology,
Health
Surveillance
VI. RESEARCH EXPERIENCE

No. Years Title Funding
Sources Amount (in Rupiah)
1. 1990 Hubungan antara Faal paru dengan pemaparan debu pada karyawan bagian produksi di PT. Semen Gresik Thesis
2. 1991 Status Kesehatan Pemulung di Kecamatan Sukolilo Kota Madya Surabaya 1. Lembaga Penelitian Universitas Airlangga

3. 1993 Pengetahuan, Sikap, dan Praktek Pasangan Usia Subur Terhadap Pemakaian Kontrasepsi Pada Pria dan Faktor Yang Mempengaruhi 2. Lembaga Penelitian Universitas Airlangga

4. 1994 Studi Tentang Perawatan Kehamilan Pada Wanita Pekerja di Surabaya 3. Lembaga Penelitian Universitas Airlangga
4.
5. 1995 Faktor yang Mempengaruhi Stress Kerja Malam di Perusahaan 5. Lembaga Penelitian Universitas Airlangga
6.
6. 1995 Peranan IgG, IgM, IgA dalam Mendeteksi Adanya Penurunan Ketahanan Tubuh Pekerja Shift Malam Wanita 7. Lembaga Penelitian Universitas Airlangga
8. 9.
7. 1999
Pengaruh Perubahan Circardian Rhythm Terhadap Respons Imun Seluler Pada Pekerja Shift Malam (suatu pendekatan Psikoneuroimunologi) Disertasi
8. 2011 Faktor faktor yang mempengarui status kesehatan sector informal
Penelitian Hibah Riset Fakultas Kesehatan Masyarakat Univeresitas Airlangga
9. 2012 Pola Pengembangan Staf Kependidikan Berdasarkan Karakteristik Individu, Motivasi Kerja dan Kemampuan Soft Skill
Penelitian Hibah Riset Fakultas Kesehatan Masyarakat Universitas Airlangga
10. Palembang, 20 November 2014 Surveillance K3 Dalam Upaya Penegahan Kecelakaan Kerja Dies Natalis FKM Univ Sriwijaya yang ke 6
11. Makassar , 14 September 2015 Pengembangan Pendidikan Tinggi dan Tingkat Kebutuhan di Masyarakat Wisuda Sarjana dan Program Diploma, Politeknik Negeri Makassar
12. 1999 – 2000 Coping Mechanism Stress Kerja Shift Malam Berdasarkan Indikator Hormon Kortisol dan Innate Immunity Presented in Kongres Nasional I Perhimpinan Psikoneuroimunologi Indonesia. Surabaya, 30 -31 July 2005.

13. 2003 Dermatosis Akibat Kerja. Presented in Seminar Penatalaksanaan Penyakit Akibat Kerja dan Kompensasi-nya. Hotel Bisanta Bidakara Surabaya. 11 December 2004

14. 2005 Analisis Risiko Penularan TB Paru Pada Tenaga Kerja di Industri Presented in Simposium Perilaku Implementasi K-3 dalam menunjang Produktivitas & Daya Saing Perusahaan. Jakarta, 10-11 January 2007

15. 2005 Influence of Night Working on Work Streess and Decrease Immune System

 

Presented in First Singapore Public Health and Occupational Medicine Conference. Singapura, 22-23 April 2005.

16. 2005 Influence of Circardian Rhythm Change Innate Immunity Response Presented in 8th South East Asia Ergonomic Society Conference, 12th Indonesia Physiological Society Congress and 15th Scientific Seminar of Indonesian Physiological Society (Congress& International Seminar, Conference SEAES IPS), Bali 23-25 May 2005

17. 2007 The Emergence of Occupational Dermatosis Incident Due to Climate Change Presented in The 13th UNFCCC C.O,P Paralel Event Consultative Meeting Of Public Health Profesionalis: Climate Change and Health Impacts. Bali, 10-12 December 2007

18. 2007 Upaya Penganggulangan Bahaya Asbestos and Dust Control
Presented in Seminar held by The Japan International Center for Occupational Safety and Health (JICOSH) from May 22,2007 to June 7, 2007
19. 2008 The Risk of TB Infection in Industrial Workers (Poster Presententation) 40th. APACPH Annual Conference In Kuala Lumpur 7th - 9th November 2008

20. 2013 Related factors of dry eyes syndrome on the workres that use VDT in pestiside factory ( Co- Author )
Global Health Conference Asia Pasia Pacific Academic Consurtium for Public Health the 45 th Annual Conference. Wuhan, China

VII. PUBLIC SERVICES EXPERIENCES
No. Years Title Funding
Sources Amount (in Rupiah)
1. 2013 Pendampingan Pedesaan Sehat di 7 Kabupeten di Wilayah Jawa Timur, Banten dan Jawa Barat Kementerian Pembangunan Daerah Tertinggal 700.000.000,-
2. 2014 Pendampingan Pedesaan Sehat di 9 Kabupaten di Wilayah Jawa Timur, Banten dan Jawa Barat Kementerian Pembangunan Daerah Tertinggal 900.000.000,-
3. 2014 Optimalisasi Penerapan K3 Pada Pekerja Industri Sepatu di Wilayah Puskesmas Sememi Surabaya BOPTN 2014 6.000.000,-
4. 2015 Pendampingan Pedesaan Sehat di 4 Kabupaten di Jawa Timur Kementerian Desa dan Transmigrasi 700.000.000,-
5. 2015 Narasumber Pelatihan Dokter Hyperkes, topik " Dermatosis Akibat Kerja" Kantor DepNaker Jawa Timur 500.000,-

VIII. ACADEMIC PUBLICATIONS
No. Year Title Volume (Issue) Journals
A. International Journals – Published
1. 2015 Analysis of Factors Related to the Fatigue of Work on the Part of Production Workers at PT. X Wonogiri. ( Co- Author) ISSN 2224-5790 ( print) ISSN 2225-0514 (online). Vol 7 No. 6 tahun 2015
Civil and Environmental Research
2. 2015 Differences of work stress between nurses as member of an informal group and those of non members in Hospital at Medan. ( Co-Author)
ISSN 2. March 2015. Vol 7. No.2 International Journal of Academic Research
3. 2015 Ethnomedicine of Dayak Paramasan Ethnic in the Meratus Mountains ( part 1): The Medicinal plant for Diarrhea and Respiratory Disorder. ( Co-Author) May, 2015. ISSN 2090-4274 Journal of Applied Environmental and Biological Sciences
4. 2015 Ethnomedicine of Dayak Paramasan Ethnic in the Meratus Mountains ( part-2) : A Correlation of Spiritual Belief and Distress Level to Patient who had been done Ethnomedicine treatment ( Co-Author) June 2015, ISSN 2090-4274 Journal of Applied Environmental and Biological Sciences
5. 2015 Risk Factor Analysis Influence Pulmonary Function of Diesel Power Plant Workers in Samarinda City ( Co-Author) Vol 3. ISSUE 05 ISSN 2347-4289 International Journal of Technology Enhamcements and Emerging Engineering Research
6. 2015 Analysis of Photokeratitis Related Risk Factors in Welders of PT PAL Indonesia (Persero) Surabaya. ( Co-Author) e-ISSN: 2319-1163/ p-ISSN: 2321-7308. Vol 4. Issue4; April 2015 International Journal of Research in Engineering and Technology
B. National Journals – Published
1. August 1995 Kepadatan Vector Penyakit dan Kondisi Kesehatan Masyarakat di Sekitar Tempat Pembuangan Akhir Sampah di Keputih Kecamatan Sukolilo Vol 3, No.1 Journal Penelitian Universitas Airlangga
2. 1996 Pengetahuan dan Perilaku Masyarakat Perkotaan Terhadap Imunisasi Hepatitis B Vol 21 No. 2 Media IDI
3. August 1997 Penerapan Cuti dan Pelaksanaan Cuti Haid Pada Tenaga Kerja Wanita di Kota Madya Surabaya
Vol 5. No.1 Journal Penelitian Universitas Airlangga
4. July-December 2004 Peran Lingkungan Kerja terhadap Stress kerja dan pengaruhnya pada Kesejahteraan keluarga
Volume 6 Nomor 2, Page 67-139 "Scientific Journal of Population" Berkala Ilmiah Kependudukan
5. 2006 Upaya Kesehatan Kerja Sektor Informal dan Lingkungan Perumahan Nelayan di Kabupaten Lombok Timur NTB Volume 2, No. 2, Page 153-162
Journal Kesehatan Lingkungan
6. 2006 Profil Kondisi Lingkungan Kerja di Industri Pengolahan Udang
Volume 3, no. 1, July 2006. Journal Kesehatan Lingkungan
7. 2007 Analisis Risiko Penularan Tuberculosis Paru Akibat Faktor Perilaku dan Faktor Lingkungan pada Tenaga kerja di Industri. Vol 23. No.1 Maret 2007, Page 28-34 Journal "Berita Kedokteran Masyarakat”

8. 2007 Use Of Haematological And Immunological Biomarker As Indicator Of PB Intoxication. Vol 43. No 3 July-September 2007, Page 148-152 Journal " Folia Medica Indonesiana "
9. 2007 Effect of Circardian Rhythm Change on Innate Immunity Response Vol 4. No.2 November 2007, Page 48-51 Journal "The Indonesian Journal of Public Health "
10. 2014 Hubungan Antara Stresor Kerja dengan Insomnia pada Kerja Bergilir Bagian Central Processing Area di Job P – Pej. Tuban (Co – Author)
Vol 3 no 1, Januari- Juni 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
11. 2014 Hubungan Antara Karakteristik Individu Unit Kerja dan Faktor Ergonomi dengan Keluhan Kesehatan di Industri Kecil Sepatu Kota Mojokerto (Co – Author) Vol 1 no 1, Januari-April, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
12. 2014 Analisis Save Behavior dengan Pendekatan Bahavior-Based Safety pada Radiografer di Rumah Sakit Dr. Soetomo, Surabaya (Co – Author) Vol 1 no 1, Januari-April, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
13. 2014 Pengaruh Faktor Karakteristik Petani dan Metode Penyemprotan Terhadap Kadar Kolinesterase (Co – Author) Vol 1 no 1, Januari-April, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
14. 2014 Analisis Tingkat Risiko Muskuloskeletal Disorders (MSDs) dengan The Rapid Upper Limbs Assessment (RULA) dan Karateristik Individu Terhadap Keluhan MSDs (Studi Pada Perawat di RSUD Bhakti Dharma Husada Surabaya) (Co – Author)
Vol 3 no 2, Juli-Desember 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
15. 2014 Beberapa Faktor yang Berhubungan dengan Perilaku Pekerja dalam Penerapan Safe Behaviour di PT. Hanil Jaya Steel (Co – Author) Vol 1 no 2, Mei-Agustus, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
16. 2014 Keluhan Muskuloskeletal Berdasarkan Karakteristik dan Sikap Kerja pada Pekerja PT “X” (Co – Author) Vol 1 no 3, September-Desember, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
17. 2014 Hubungan Lifting Index dan Beban Angkat dengan Keluhan Sistem Muskuloskeletal pada Pekerja Pengangkut Barang. (Co – Author). Vol 1 no 3, September-Desember, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
18. 2014 Risk Assessment pada Departemen Spinning 1 Unit Ring Frame Sebagai Upaya Pencegahan Kecelakaan Kerja di PT “X” . (Co – Author) Vol 1 no 3, September-Desember, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
19. 2014 Faktor – Faktor yang Berhubungan dengan Keluhan Subyektif Accupational Overuse Syndrome pada Pekerja Pengesol di Sentra Industri Sandal Sidoarjo. (Co – Author) Vol 1 no 3, September-Desember, 2014 The Indonesian Journal of Occupational Safety and Health (IJOSH),
C. Under Review
1.

D. International Conferences
1. 2013 Global Health Conference Asia Pasia Pacific Academic Consurtium for Public Health the 45 th Annual Conference Wuhan, China
2. 2008 APACPH Annual Conference Kuala Lumpur 7th - 9th November 2008
3. 2005 Presented in First Singapore Public Health and Occupational Medicine Conference Singapura, 22-23 April 2005

 

4. 2007 The Japan International Center for Occupational Safety and Health (JICOSH) May 22,2007 to June 7, 2007
5. 2007 The 13th UNFCCC C.O,P Paralel Event Consultative Meeting Of Public Health Profesionalis: Climate Change and Health Impacts Bali, 10-12 December 2007
6. 2005 8th South East Asia Ergonomic Society Conference, 12th Indonesia Physiological Society Congress and 15th Scientific Seminar of Indonesian Physiological Society (Congress& International Seminar, Conference SEAES IPS) Bali 23-25 May 2005


IX. MEMBERSHIP
1. Ikatan Dokter Indonesia (IDI) Surabaya (1988 – Now)
2. Ikatan Dokter Kesehatan Kerja Indonesia (IDKKI) Jawa Timur (1994 – Now)
3. Ikatan Ahli Kesehatan Masyarakat Indonesia (IAKMI) Wilayah Jawa Timur (1990 – Now)


X. RESEARCH SERVICES

XI. BOOKS
No. Year Title Number of Pages Publisher
1. 2008 Upaya Pencegahan Penyakit Akibat Kerja 126 Kartika
2. 2012 Mekanisme dan Pengendalian Penyakit Akibat Kerja 112 Airlangga University Press

Kontak Dosen

tri.martiana@yahoo.com
031 - 5964905
-
Kampus C Unair, JL. Mulyorejo, 60115 Sidoarjo Indonesia