From: Differences in spousal influence on smoking cessation by gender and education among Japanese couples
Outcome: target’s cessation after marriage | Men (n =708) | Women (n =293) | ||
---|---|---|---|---|
Explanatory variables | Risk ratio | 95% CI | Risk ratio | 95% CI |
Model 1 | ||||
Age | ||||
20-29 | 0.85 | (0.54-1.33) | 1.10 | (0.60-2.00) |
30-39 | 0.65** | (0.51-0.82) | 0.87 | (0.54-1.39) |
40-49 | 0.76** | (0.62-0.94) | 0.96 | (0.61-4.51) |
50 or older | Reference | Reference | ||
Presence of children | 1.07 | (0.97-1.17) | 1.12* | (1.01-1.24) |
Couple’s educational combinationa | ||||
LOW & low couple | Reference | Reference | ||
LOW & high couple | 0.84 | (0.58-1.20) | 0.84 | (0.56-1.26) |
HIGH & low couple | 1.11 | (0.81-1.53) | 0.96 | (0.64-1.43) |
HIGH & high couple | 1.02 | (0.81-1.29) | 1.25 | (0.93-1.69) |
Counterpart’s smoking status | ||||
Continued smoking | Reference | Reference | ||
Quit smoking/Never smoking | 2.27** | (1.61-3.18) | 1.16 | (0.90-1.49) |
Model 2 | ||||
Age | ||||
20-29 | 0.85 | (0.54-1.33) | 1.11 | (0.59-2.10) |
30-39 | 0.65** | (0.51-0.82) | 0.87 | (0.53-1.42) |
40-49 | 0.76** | (0.62-0.93) | 0.96 | (0.59-1.55) |
50 or older | Reference | Reference | ||
Presence of children | 1.06 | (0.97-1.16) | 1.13* | (1.01-1.26) |
Couple’s educational combinationa | ||||
LOW & low couple | Reference | Reference | ||
LOW & high couple | 0.75 | (0.23-2.43) | 0.91 | (0.58-1.42) |
HIGH & low couple | 1.08 | (0.50-2.36) | 0.99 | (0.62-1.58) |
HIGH & high couple | 0.64 | (0.26-1.57) | 1.32 | (0.94-1.85) |
Counterpart’s smoking status | ||||
Continued smoking | Reference | Reference | ||
Quit smoking/Never smoking | 1.94* | (1.12-3.37) | 1.55 | (0.90-2.65) |
Couple’s educational combinationa × counterpart’s smoking status | ||||
LOW & low × counterpart’s non-smoking | Reference | Reference | ||
LOW & high × counterpart’s non-smoking | 1.13 | (0.33-3.89) | 0.94 | (0.51-1.74) |
HIGH & low × counterpart’s non-smoking | 1.03 | (0.44-2.42) | 1.16 | (0.58-2.32) |
HIGH & high × counterpart’s non-smoking | 1.65 | (0.65-4.20) | 1.48* | (1.05-2.08) |