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Table 3 Differences of the net changes in SF-8 scores between non-smokers and passive smokers

From: Changes in the SF-8 scores among healthy non-smoking school teachers after the enforcement of a smoke-free school policy: a comparison by passive smoke status

Domain of SF-8* Net changes in SF-8 scores before and after enforcement of the smoke-free school policy Differences of the net changes in the SF-8 scores between non-smokers and passive smokers
    Univariable analysis Multivariable analysis**
  Non-smokers Passive smokers Regression coefficient
(95% CI)
Regression coefficient
(95% CI)
GH 0.3 2.2 1.8
(0.7 - 3.0)
1.8
(0.7 - 2.9)
RP 0.4 0.6 0.2
(-0.9 - 1.3)
0.2
(-1.0 - 1.3)
VT 0.3 1.8 1.5
(0.4 - 2.5)
1.4
(0.3 - 2.5)
SF 0.3 2.7 2.4
(1.0 - 3.8)
2.5
(1.1 - 3.9)
MH 0.9 2.0 1.1
(0.0 - 2.2)
1.2
(0.1 - 2.4)
RE 0.7 2.0 1.3
(0.2 - 2.4)
1.6
(0.5 - 2.7)
  1. *GH: General health, RP: Role-physical, VT: Vitality SF: Social functioning, MH: Mental health, RE: Role-emotional
  2. ** Adjusted for sex, age, school type, managerial position, and attitude towards smoke-free school policy