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Table 3 Longitudinal association between woman’s income and past year experience of physical IPVa

From: Women’s income and risk of intimate partner violence: secondary findings from the MAISHA cluster randomised trial in North-Western Tanzania

  Intervention arm (n = 313) Control arm (n = 274)
Past year physical IPV at follow-up n/N (%) Age-adjusted OR (95%CI) aORb (95%CI) Past year physical IPV at follow-up n/N (%) Age-adjusted OR (95%CI) aORb (95%CI)
Change in monthly income between baseline and follow-up
 Fallen 1+ quartile/stopped working 22/86 (26%) 17/77 (22%)
 Stayed in same quartile 16/96 (17%) 0.63 (0.30–1.32) 0.48 (0.19–1.22) 19/78 (24%) 1.18 (0.57–2.43) 1.04 (0.51–2.14)
 Increased 1+ quartile/started working 16/112 (14%) 0.52 (0.29–0.94) 0.39 (0.17–0.89) 18/99 (18%) 0.76 (0.38–1.51) 0.55 (0.25–1.23)
Change in financial contribution to household relative to husband between baseline and follow-up
 Was always lower/the same 37/195 (19%) 28/161 (17%)
 Was higher, now lower/same 5/33 (15%) 0.85 (0.28–2.54) 0.83 (0.23–2.98) 4/30 (13%) 0.93 (0.30–2.87) 0.81 (0.22–2.91)
 Was lower/same, now higher 5/45 (11%) 0.58 (0.25–1.30) 0.87 (0.37–2.05) 12/39 (31%) 2.80 (1.06–7.38) 4.16 (1.44–12.01)
 Always higher 8/40 (20%) 1.37 (0.64–2.93) 1.84 (0.65–5.25) 17/44 (39%) 4.46 (1.85–10.77) 4.76 (1.84–12.34)
  1. aAmong women married/living as married at baseline and follow-up
  2. bAdjusted for woman’s age, other income/financial contribution variable, partner’s age, baseline measure of outcome, woman’s education, partner’s education, relationship duration, and experience of household-level financial hardship in past year
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