Table 4 Interrupted time series analysis for day 6–10, week 6–8 PPC and PPFP choice by residence

T

Time since the start of study (September 2012-December 2015)

3.952***

3.388***

4.086***

1.302***

-0.113

(0.818)

(0.181)

(0.411)

(0.0824)

(0.0886)

X

Effect immediately after the intervention initiation

17.21***

7.341**

-8.195

-3.678*

1.760

(4.211)

(2.419)

(5.200)

(1.657)

(1.080)

X*T

Interaction of the intervention and the time

-3.114**

-2.810***

-2.261***

-0.735***

1.247***

(0.958)

(0.194)

(0.492)

(0.123)

(0.148)

20.64***

-2.186

8.116**

-1.394*

4.031***

(5.127)

(1.550)

(2.566)

(0.528)

(0.731)

Treated: _b[T]+_b[X*T]

Intervention trend

0.8381 **

0.5787***

1.8250***

0.5676***

1.1335***

(0.2738)

(0.1100)

(0.3267)

(0.1038)

(0.1099)

37

40

37

40

40