Table 1.

Characteristics of smokers related to patients with lung cancer who took the GSTM1 genetic test and received their results

VariablesWhole sample (n = 44)
GSTM1 present (lower risk; n = 22)
GSTM1 missing (higher risk; n = 22)
Difference
n%n%n%
GenderMale1943.2418.21568.2χ2 = 11.21; df = 1; P = 0.001
Female2556.81881.8731.8
Age, yMean (SD; range, 23-53 y)40.0 (8.2)40.8 (8.5)39.2 (8.0)F = 0.41; df = 1; P = 0.53
EducationHigh school1125.0731.8418.2χ2 = 2.46; df = 2; P = 0.29
Technical/some college2352.31254.51150.0
College graduate1022.7313.6731.8
Employed full-timeYes3375.01672.71777.3χ2 = 0.12; df = 1; P = 0.73
No1125.0627.3522.7
Race/ethnicityWhite4295.5221002090.9χ2 = 2.10; df = 2; P = 0.35
Other (Asian/Irish)24.50029.1
Relationship to patientOffspring2863.61568.21359.1χ2 = 4.23; df = 3; P = 0.24
Sibling715.929.1522.7
Aunt/uncle/niece/nephew511.4418.214.5
Grandchild49.114.5313.6
Primary caregiver to patientYes716.3523.829.1χ2 = 1.71; df = 1; P = 0.19
No3683.71676.22090.9
Frequency of seeing patientDaily24.514.514.5χ2 = 1.27;df = 4; P = 0.87
Weekly613.6313.6313.6
Monthly920.5422.7418.2
Lives with patient12.314.500
Other2659.11254.51463.6
No. of cigarettes smoked per dayMean (SD; range, 1-30)16.3 (7.2)16.2 (7.5)16.3 (7.0)F = 0.00; df = 1; P = 0.95
Previous use of smoking cessation services/productsYes2454.51150.01359.1χ2 = 0.37; df = 1; P = 0.54
No2045.51150.0940.9