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. 2017 Feb 7;2016(2):16. doi: 10.5339/qmj.2016.16

Table 2.

Comparison of mean age, income and saliva cotinine levels between the respondents in intervention and control groups at baseline.

Intervention (n = 38) Control group (n = 61)

Characteristics Mean (SD) Mean (SD) pa

Age (year) 35.23 (7.51) 31.90 (6.68) 0.045*

Income (RM) 3690 (2647) 2760 (1491) 0.071

Saliva cotinine level (ng/ml) 93.73 (11.64) 81.99 (21.09) 0.002*

FTND score 3.87 (2.15) 4.51 (1.95) 0.129

a Independent t test, *significant at p < 0.05.