Characteristics | TC model | NC model | NC vs. TC | |||
---|---|---|---|---|---|---|
Crude OR (95%CI) | Adjusted OR (95%CI) | Crude OR (95%CI) | Adjusted OR (95%CI) | Crude OR (95%CI) | Adjusted OR (95%CI) | |
Attitudes | ||||||
 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) |
Behavior | ||||||
 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) |