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Table 2 Number and proportion of women who used contraceptive method and crude and adjusted odds ratios and 95 % confidence intervals showing influence of access to family planning services, and sociodemographic

From: Contraceptive use following spontaneous and induced abortion and its association with family planning services in primary health care: results from a Brazilian longitudinal study

Variables Contraceptive use in the 6 months following an abortion Univariate analysis Multivariate analysis
  Month 1 Month 2 Month 3 Month 4 Month 5 Month 6 ORcrude 95 % CI ORadjusteda 95 % CI
Utilization of family planning services in the previous month           
 None 52 (59.8 %) 39 (35.7 %) 60 (56.1 %) 65 (67.7 %) 65 (73.0 %) 60 (70.6 %) 1.00 - 1.00 -
 Just contraceptive counseling 4 (4.6 %) 6 (5.5 %) 7 (6.5 %) 3 (3.1 %) 4 (4.5 %) 2 (2.3 %) 1.05 0.51–2.15 1.16 0.56–2.38
 Just medical consultation 12 (13.8 %) 32 (29.4 %) 18 (16.8 %) 18 (18.7 %) 15 (16.9 %) 19 (22.4 %) 0.88 0.60–1.30 0.91 0.60–1.38
 Both 19 (21.8 %) 32 (29.4 %) 22 (20.6 %) 10 (10.4 %) 5 (5.6 %) 4 (4.7 %) 1.93 1.17–3.18 1.93 1.13–3.30
Pregnancy planning status           
 Unplanned 17 (19.5 %) 23 (21.1 %) 25 (23.4 %) 23 (24.0 %) 16 (18.0 %) 19 (22.3 %) 1.00 - 1.00 -
 Ambivalent 44 (50.6 %) 54 (49.5 %) 50 (46.7 %) 43 (44.8 %) 49 (55.1 %) 43 (50.6 %) 0.91 0.49–1.69 0.79 0.43–1.46
 Planned 26 (29.9 %) 32 (29.4 %) 32 (29.9 %) 30 (31.2 %) 24 (26.9 %) 23 (27.1 %) 0.79 0.40–1.56 0.71 0.36–1.40
Desire to have more children           
 No 32 (36.8 %) 50 (45.9 %) 47 (43.9 %) 41 (42.7 %) 46 (51.7 %) 39 (45.9 %) 1.00 - 1.00 -
 Yes 55 (63.2 %) 59 (54.1 %) 60 (56.1 %) 55 (57.3 %) 43 (48.3 %) 46 (54.1 %) 0.77 0.55–1.08 0.81 0.57–1.15
Age           
 15–24 years 19 (21.8 %) 26 (23.8 %) 27 (25.3 %) 27 (28.1 %) 25 (28.1 %) 24 (28.2 %) 1.00 - 1.00 -
 25–34 years 44 (50.6 %) 55 (50.5 %) 53 (49.5 %) 45 (46.9 %) 42 (47.2 %) 36 (42.4 %) 2.76 1.53–4.98 2.96 1.61–5.42
 35–44 years 24 (27.6 %) 28 (25.7 %) 27 (25.2 %) 24 (25.0 %) 22 (24.7 %) 25 (29.4 %) 1.59 0.86–2.92 1.50 0.78–2.87
Education        1.01 0.92–1.11 1.03 0.93–1.13
Intercept          0.99 0.30–3.25
  1. Odds ratios estimated using Generalized Estimating Equations with uncorrelated matrix and logit link function assumed
  2. aAdjusted also by time of observation (1–6 months)