Table 2 Odds ratios (95% confidence intervals) of contraceptive use ever by quintile of decision, movement and combined autonomy score.

Decision autonomy

   1

1.0

1.0

1.0

   2

2.16 (1.72–2.70)

1.49 (1.15–1.94)

1.39 (1.06–1.82)

   3

2.98 (2.37–3.74)

1.59 (1.22–2.07)

1.42 (1.08–1.86)

   4

4.88 (3.91–6.09)

2.12 (1.64–2.75)

1.81 (1.38–2.37)

   5

4.82 (3.84–6.04)

1.88 (1.45–2.46)

1.82 (1.37–2.41)

p-value for trend

< 0.001

< 0.001

< 0.001

Movement autonomy

   1+2

1.0

1.0

1.0

   3

0.97 (0.80–1.18)

1.23 (1.01–1.51)

1.25 (1.02–1.48)

   4

1.43 (1.16–1.77)

1.51 (1.22–1.88)

1.54 (1.26–1.86)

   5

1.72 (1.45–2.05)

1.14 (0.96–1.36)

1.13 (0.95–1.33)

p-value for trend

< 0.001

0.010

0.006

Decision autonomy

   1

1.0

1.0

1.0

   2

2.36 (1.74–3.20)

1.82 (1.34–2.49)

1.73 (1.26–2.39)

   3

3.16 (2.31–4.33)

1.88 (1.36–2.60)

1.73 (1.25–2.40)

   4

5.34 (3.92–7.26)

2.54 (1.85–3.50)

2.23 (1.61–3.08)

   5

5.04 (3.67–6.92)

2.15 (1.55–2.99)

2.01 (1.44–2.81)

p-value for trend

< 0.001

< 0.001

< 0.001

Movement autonomy

   1+2

1.0

1.0

1.0

   3

0.92 (0.75–1.13)

1.13 (0.91–1.39)

1.13 (0.92–1.38)

   4

1.36 (1.09–1.69)

1.29 (1.04–1.60)

1.29 (1.03–1.58)

   5

1.66 (1.39–1.98)

1.06 (0.89–1.27)

1.03 (0.86–1.23)

p-value for trend

< 0.001

0.174

0.288