Table 3 Odds ratios and 95% confidence intervals of the contraceptive attitudes and behaviors between before and after intervention and comparison between intervention packages

 Appropriate contraception time after abortion

1.77 (1.21–2.56) **

1.87 (1.26–2.78)*

2.99 (2.21–4.03) ***

2.98 (2.19–4.05) ***

1.80 (1.25–2.59) ***

1.51 (1.02–2.22)

 Contraception is necessary for women with no attention of getting pregnant

1.22 (0.60–2.47)

1.27 (0.64–2.63)

1.83 (0.94–3.59)

1.59 (0.80–3.15)

2.03 (0.97–4.28)

1.73 (0.77–4.90)

 Natural family planning is not reliable

1.10 (0.77–1.57)

1.12 (0.79–1.61)

1.80 (1.38–2.33)***

1.83 (1.40–2.38)***

1.63 (1.19–2.22)**

1.53 (1.11–2.13)*

 Emergency contraception pills cannot be taken more than 3 times in a year

1.12 (0.77–1.63)

1.15 (0.78–1.70)

2.49 (1.90–3.21)***

2.53 (1.94–3.31)***

3.00 (2.17–4.13)***

2.87 (2.05–4.02) ***

 Accept short-acting OCPs

1.02 (0.68–1.55)

1.04 (0.60–1.92)

1.67 (1.26–2.23)***

2.71 (1.85–3.97)***

1.57 (1.11–2.22) *

2.71 (1.65–4.47) ***

 Using condom alone is not enough to prevent reproductive tract infection

1.88 (1.31–2.69) ***

1.86 (1.28–2.68)*

1.76 (1.36–2.29)***

1.85 (1.41–2.43) ***

0.93 (0.67–1.28)

1.01 (0.71–1.44)

 Underwent gynecology examinations in the previous six months

1.01 (0.74–1.40)

1.07 (0.73–1.57)

1.72 (1.34–2.21)***

1.92 (1.44–2.55) ***

2.45 (1.83–3.28) ***

2.31 (1.63–3.27)***

 Use of any contraceptive methods

1.03 (0.71–1.83)

0.93 (0.60–1.43)

1.28 (0.71–1.64)

1.41 (1.01–1.96) *

1.94 (1.39–2.33)***

2.89 (1.98–4.23)***

Use of Effective contraceptive methods

0.9 (0.65–1.24)

0.56 (0.27–1.14)

1.17 (0.65–1.24)

0.89 (0.58–1.35)

1.68 (1.27–2.25)***

1.18 (0.69–2.04)