SUBJECT GROUP
1 = nonSHS
2 = SHS

1 = malay
2 = chinese
3 = indian
4 = others

1 = malay
2 = non-malay

occupation
1 = goverment servant
2 = private sector
3 = housewife
4 = others

education level
1 = primary
2 = secondary
3 = tertiary
4 = others

Husband_dur
1 = < 15 min
2 = 15-30 min
3 = > 30 min

Other smoker_dur
1 = < 15 min
2 = 15 - 30 min
3 = > 30 min

1 = <15 min
2 = 15-30min
3 = >30min

0 = tidak
1 = ya

Husband_type_ROKOK
1 = ya
2 = tidak

1 = <15min or free exp
2 = 15-30min exp
3 = >30min exp

0 = free exp
1 = < 15 min
2 = 15 - 30 min
3 = > 30 min

categorical for IL-6 (pg/ml)
0 = present
1 = absent

ABPMmonitor (Type)
1 = BPro
2 = Schiller

nicotine level group
1 = present
2 = ND
3 = LOQ

0 = Not Selected
1 = Selected