Distinctive use of newer and older antidepressants in major geographical areas: A nationally representative register-based study

Jaana I. Halonen , Aki Koskinen , Anne Kouvonen , Pekka Varje , Sami Pirkola , Ari Väänänen

Abstract

Abstract Background It is unknown whether newer, mainly selective serotonin reuptake inhibitors, and older tricyclic antidepressants are used similarly regardless of the geographical area of residence and education. Methods We included four randomly sampled cohorts of the Finnish working aged population (n = 998,540–1,033,135). The sampling (Dec 31st in 1995, 2000, 2004 and 2010) resulted in non-overlapping time windows where each participant was followed up for four years for the first antidepressant use. Using Cox proportional hazards models, we examined whether the hazard of antidepressant use differed between the capital area and three other areas (Southern, Western and Northern/Eastern Finland). Educational differences were examined using four sub-groups: capital area/high education (reference category); other areas/high education; capital area/low education; and other areas/low education. Results Hazard ratios for the use of newer antidepressants were significantly lower in all other areas compared to the capital area after adjustment for age, sex, marital status, employment status, education, income, and area-level unemployment. Findings remained consistent in all time windows, differences increasing slightly. In the sub-group analysis those with low education had the lowest level of use in all areas, also within the capital area. The results were opposite for older antidepressants in all but the last time window. Limitations Some degree of unmeasured confounding and exposure misclassification is likely to exist. Conclusions Newer antidepressants were more commonly used in the capital than in the other areas, and among those with high versus low education. These differences in antidepressant use suggest socioeconomic inequalities in the mental health treatment quality.
Author Jaana I. Halonen
Jaana I. Halonen,,
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, Aki Koskinen
Aki Koskinen,,
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, Anne Kouvonen (Filia we Wrocławiu / II Wydział Psychologii we Wrocławiu)
Anne Kouvonen,,
- II Wydział Psychologii we Wrocławiu
, Pekka Varje
Pekka Varje,,
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, Sami Pirkola
Sami Pirkola,,
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, Ari Väänänen
Ari Väänänen,,
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Journal seriesJournal of Affective Disorders, ISSN 0165-0327, (A 35 pkt)
Issue year2018
Vol229
Pages358-363
Publication size in sheets0.5
Keywords in EnglishAntidepressant Education Geographical areaInequality SSRI Socioeconomic
ASJC Classification2738 Psychiatry and Mental health; 3203 Clinical Psychology
DOIDOI:10.1016/j.jad.2017.12.102
URL https://www.sciencedirect.com/science/article/pii/S0165032717316713
Languageen angielski
File
58. Kouvonen_Halonen et al 2018 JAD.pdf 322.61 KB
Additional file
58a. Oświadczenie_publ_JAD_2018.pdf 273.72 KB
Score (nominal)35
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.362; WoS Impact Factor: 2017 = 3.786 (2) - 2017=4.035 (5)
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