Table 3 Odds ratios from logistic regression models assessing associations between selected characteristics and contraceptive use

Model 1 (low vs. high)

OR

95 %CI

Age

<20

0.57

(0.43,0.88)*

≥20

Reference

Availability of designed Web site

Yes

1.74

(1.26,2.42)**

No

Reference

Provision of contraceptives

Yes

1.81

(1.28,2.82)**

No

Reference

Convenient getting contraceptives

Yes

1.69

(1.12,2.64)*

No

Reference

Convenient getting birth control counseling

Yes

1.91

(1.21,3.15)*

No

Reference

Relationship status

causal

1.42

(0.93,2.21)

steady

Reference

Provision of health related publications

Yes

1.64

(1.25,2.37)**

No

Reference

Provision of birth control counseling

Yes

1.37

(0.75,1.94)

No

Reference

Convenient getting contraceptives

Yes

2.31

(1.45,3.86)**

No

Reference