Table 4 Multivariate regression findings of factors associated with pregnancy experience over the 2-year follow-up period, Model 1 without interaction, Model 2 with interaction

Baseline fertility intentions

 Wants now/within 2 years

1

1

1

1

1

1

 Wants in +2 years

.65 (.40,1.05)*

1.50 (.80,2.78)

1.12 (.87,1.43)

1.32 (.97,1.78)*

1.52 (1.07,2.15)**

1.82 (1.17,2.81)***

 Does not want

.30 (.18,.50)***

.70 (.38,1.26)

.44 (.31,.63)***

.58 (.39,.87)***

1.05 (.50,2.22)

1.46 (.61,3.53)

Baseline modern method use

 Non-user

1

1

1

1

1

1

 User

.48 (.33,.69)***

2.94 (1.10,7.87)**

.89 (.68,1.16)

1.85 (1.05,3.26)**

.31 (.19,.51)***

.98 (.33,2.96)

Interaction terms

 Use *Wants in +2 years

.12 (.04,.37)***

.43 (.22,.82)**

.28 (.07,1.12)*

 Use *Does Not Want

.10 (.03,.31)***

.32 (.13,.79)**

.12 (.01,1.05)*

Interacted odds ratios

Baseline fertility intentions | modern use = 1

 Wants now/within 2 years

1

1

1

 Wants in +2 years

.17 (.07,.43)***

.57 (.34,.95)**

.51 (.17,1.58)

 Does Not Want

.07 (.03,.18)***

.19 (.08,.41)***

.17 (.02,1.23)*

Baseline fertility intentions | modern use = 0

 Wants now/within 2 years

1

1

1

 Wants in +2 years

1.50 (.80,2.78)

1.32 (.97,1.78)*

1.82 (1.17,2.81)***

 Does not want

.70 (.38,1.26)

.58 (.39,.87)***

1.46 (.61,3.53)