Factors | Home | Public Places | ||||
---|---|---|---|---|---|---|
Exposed n (%) | Not exposed n (%) | Significance testing | Exposed n (%) | Not exposed n (%) | Significance testing | |
Total | 54 (17.6) | 252 (82.4) | P1 < 0.0001 | 80 (25.7) | 231 (74.3) | P1 < 0.0001 |
Sex | ||||||
Female | 31 (20.0) | 124 (80.0) | χ2 = 1.19, df = 1, p = 0.27 | 45 (28.3) | 114 (71.7) | χ2 = 1.13, df = 1, p = 0.29 |
Male | 23 (15.2) | 128 (84.8) | 35 (23.0) | 117 (77.0) | ||
Age | ||||||
14 years | 30 (17.4) | 143 (82.7) | χ2 = 0.02, df = 1, p = 0.87 | 40 (23.0) | 134 (77.0) | χ2 = 1.07,df = 1, p = 0.30 |
15 years | 24 (18.0) | 109 (82.0) | 38 (28.1) | 97 (71.9) | ||
Ethnicity | ||||||
Sinhalese | 42 (18.8) | 182 (81.2) | χ2 = 1.24, df = 1, p = 0.27 | 52 (22.9) | 175 (77.1) | χ2 = 5.06, df = 1, p = 0.02 |
Non- Sinhalese | 10 (13.2) | 66 (86.6) | 28 (35.9) | 50 (64.1) | ||
Presence of smokers in household | ||||||
Present | 24 (50.0) | 24 (50.0) | χ2 = 41.0, df = 1, p < 0.001 | 20 (41.7) | 28 (58.3) | χ2 = 8.6, df = 1, p = 0.003 |
Not present | 30 (11.6) | 228 (88.4) | 56 (21.7) | 202 (78.3) | ||
Employment status of father | ||||||
Employed | 50 (17.9) | 230 (82.1) | χ2 = 0.3, df = 1, p = 0.58 | 73 (25.6) | 212 (74.4) | χ2 = 0.25, df = 1, p = 0.62 |
Unemployed | 14 (87.4) | 2 (12.5) | 5 (31.2) | 11 (68.8) | ||
Employment status of mother | ||||||
Employed | 33 (14.9) | 188 (85.1) | χ2 = 6.7, df = 1, p = 0.01 | 53 (23.5) | 173 (76.5) | χ2 = 3.9, df = 1, p = 0.05 |
Unemployed | 21 (28.4) | 53 (71.6) | 26 (35.1) | 48 (64.9) |