|
Model
|
Key variables
|
Received information about different methods
|
Asked about method preference
|
Shown demonstration kit of methods
|
Interaction with provider
|
Quality Score
|
|---|
|
OR
|
95% CI
|
OR
|
95% CI
|
OR
|
95% CI
|
OR
|
95% CI
|
Coef (SE)
|
|---|
|
Model 1, Full sample
|
Arm 1
|
2.93
|
1.13–7.61*
|
2.51
|
1.14–5.51*
|
4.85
|
1.63–14.46**
|
3.59
|
1.10–11.70*
|
0.17 (0.07)**
|
|
Arm 2
|
1.18
|
0.46–2.97
|
0.83
|
0.39–1.74
|
3.98
|
1.36–11.64*
|
2.29
|
0.71–7.36
|
0.09 (0.07)
|
|
Arm 3 (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
New user
|
3.97
|
3.23–4.87***
|
3.60
|
2.85–4.56**
|
3.19
|
2.57–3.96***
|
1.39
|
1.12–1.71**
|
0.16 (0.01)***
|
|
Continuing user (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
Model 2, New users on day of interview
|
Arm 1
|
3.65
|
1.17–11.31*
|
2.09
|
0.62–7.02
|
5.97
|
1.53–23.32**
|
2.85
|
0.87–9.32+
|
0.15 (0.07)*
|
|
Arm 2
|
1.43
|
0.49–4.13
|
0.85
|
0.28–2.57
|
6.75
|
1.79–25.44**
|
2.76
|
0.86–8.87+
|
0.12 (0.07)+
|
|
Arm 3 (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
Never used
|
5.40
|
3.36–7.96***
|
10.56
|
6.16–18.08***
|
4.75
|
3.26–6.94***
|
2.72
|
1.89–3.92***
|
0.24 (0.02)***
|
|
Ever use (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
Model 3, Arms 1 and 2, Full sample
|
Arm 1
|
2.08
|
0.83–5.22
|
2.59
|
1.19–5.64*
|
1.04
|
0.40–2.72
|
1.31
|
0.37–4.62
|
0.05 (0.06)
|
|
Arm 2 (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
New user
|
3.1
|
2.30–4.17***
|
2.2
|
1.56–3.11***
|
2.76
|
2.06–3.69***
|
1.11
|
0.83–1.47
|
0.11 (0.02)***
|
|
Continuing user (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
Segmented
|
5.18
|
3.75–7.16***
|
5.59
|
3.73–8.36***
|
4.38
|
3.18–6.04***
|
2.69
|
1.97–3.69***
|
0.25 (0.02)***
|
|
Missing segment
|
1.6
|
1.03–2.49*
|
0.97
|
0.59–1.59
|
1.52
|
0.92–2.51
|
2.10
|
1.32–3.32**
|
0.09 (0.03)***
|
|
Not segmented (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
Model 4, Arms 1 and 2, new users on day of interview
|
Arm 1
|
2.78
|
0.90–8.63+
|
3.77
|
0.97–14.57+
|
1.00
|
0.28–3.50
|
1.02
|
0.30–3.49
|
0.03 (0.06)
|
|
Arm 2 (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
Never used
|
5.66
|
3.17–10-11***
|
5.15
|
2.46–10.79***
|
4.11
|
2.49–6.79***
|
3.68
|
2.45–6.04***
|
0.22 (0.02)***
|
|
Ever use (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
|
Segmented
|
4.05
|
2.35–6.98***
|
6.65
|
3.12–14-14***
|
3.13
|
1.86–5.26***
|
1.59
|
0.95–2.63+
|
0.17 (0.03)***
|
|
Missing segment
|
0.96
|
0.39–2.33
|
0.27
|
0.09–0.77*
|
0.72
|
0.28–1.85
|
1.17
|
0.49–2.83
|
−0.01 (0.04)
|
|
Not segmented (ref)
|
1.00
| |
1.00
| |
1.00
| |
1.00
| | |
- Note, all models control for age, education, and parity; +p ≤ 0.10; *p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001. Model 1 n’s: Information: n = 2638; Preference: n = 2626; Mallette: n = 2661; Interaction: n = 2623; Score: n = 2674. Model 2 n’s: Information: n = 1226; Preference: n = 1221; Mallette: n = 1239; Interaction: n = 1236; Score: n = 1250. Model 3 n’s: Information: n = 1526; Preference: n = 1509; Mallette: n = 1535; Interaction: n = 1512; Score: n = 1547. Model 4 n’s: Information: n = 742; Preference: n = 736; Mallette: n = 745; Interaction: n = 745; Score: n = 755
