Relationship between paternal smoking behaviour and birth outcomes based on a comic booklet intervention for preventing second-hand smoke exposure to non-smoking pregnant women in Indonesia: a follow-up randomised controlled trial

Table 3 Correlation coefficients between independent variables in the EG (n = 110)

Independent variables	A	B	C	D	E	F	G	H	I
A. Paternal smoking behaviour	–	0.64**	0.28**	0.33**	0.33**	0.21*	− 0.03	0.41**	0.30**
B. Pregnant women’s avoidance of SHS	0.64**	–	0.15	0.43**	0.34**	0.25**	0.16	0.25**	0.16
C. Knowledge of SHS	0.28**	0.15	–	0.11	0.19	0.14	0.04	0.12	0.23**
D. Perceived SHS-related disease susceptibility	0.33**	0.43**	0.11	–	0.60**	0.45**	− 0.02	0.28**	0.50**
E. Perceived SHS-related disease severity	0.33**	0.34**	0.19	0.60**	–	0.17	− 0.05	0.31**	0.48**
F. Perceived benefits	0.21*	0.25**	0.14	0.45**	0.17	–	0.05	− 0.17	0.13
G. Barriers to preventing SHS exposure	− 0.03	0.16	0.04	− 0.02	− 0.05	0.05	–	− 0.11	− 0.12
H. Cue to action for preventing SHS exposure	0.41**	0.25**	0.12	0.28**	0.31**	− 0.17	− 0.11	–	0.47**
I. Self-efficacy	0.30**	0.16	0.23**	0.50**	0.48**	0.13**	− 0.12	0.47**	–

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