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Table 1 Sample characteristics

From: Prevalence and correlates of exposure to second hand smoke (SHS) among 14 to 15 year old schoolchildren in a medical officer of health area in Sri Lanka

Factors

Female n (%)

Male n (%)

Total n (%)

Significance testing

Age

 14 years

90 (56.6)

83 (56.8)

173 (56.6)

χ2 = 0.13, df = 1, p = 0.72

 15 years

69 (43.4)

69 (43.2)

138 (44.4)

Ethnicity

 Sinhalese

119 (77.8)

108 (71.1)

227 (74.4)

χ2 = 1.8, df = 1, p = 0.18

 Non- Sinhalese

34 (22.2)

44 (28.9)

78 (25.6)

Presence of smokers in household

 Present

35 (22.6)

13(8.6)

48 (15.7)

χ2 = 11.29, df = 1, p = 0.001

 Not present

120 (77.4)

138 (91.4)

254 (84.7)

Employment status of father

 Employed

141 (91.6)

144 (98.0)

285 (94.7)

χ2 = 6.12, df = 1, p = 0.01

 Unemployed

13 (8.4)

3 (2.0)

16 (5.3)

Employment status of the mother

 Employed

112 (72.3)

114 (78.6)

226 (75.5)

χ2 = 1.63, df = 1, p = 0.20

 Unemployed

43 (27.7)

31 (21.4)

74 (24.7)

  1. Data missing: ethnicity 6, presence of smokers 5, father’s employment status 10, mother’s employment status 11
  2. χ2 Chi-square value, df degree of freedom, p Chi-square test