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. 2020 Nov 16;20:1719. doi: 10.1186/s12889-020-09820-0

Table 1.

Baseline Characteristics of the Participants

Baseline variables Intervention (N = 70) Control (N = 74) p-value
N N(%) N N(%)
Sociodemographic Characteristics
 Gender 70 74 0.279
  Male 53 (75.7%) 50 (67.6%)
  Female 17 (24.3%) 24 (32.4%)
 Age 69 47.94 ± 14.37 74 44.85 ± 12.97 0.179#
 Educational attainment 69 74 0.187
  Primary or below 20 (29.0%) 12 (16.2%)
  Secondary or below 42 (60.9%) 53 (71.6%)
  Matriculation or above 7 (10.1%) 9 (12.2%)
 Marital Status 67 73 0.639
  Single 12 (17.9%) 15 (20.5%)
  Married 51 (76.1%) 51 (69.9%)
  Divorced/ separated/widowed 4 (6.0%) 7 (9.6%)
 Employment status 68 74 0.182
  Currently employed 53 (77.9%) 64 (86.5%)
  Unemployed 15 (22.1%) 10 (13.5%)
 Monthly household income 67 72 0.316
  HK$9999 or less 11 (16.4%) 11 (15.3%)
  HK$10,000-29,999 34 (50.7%) 45 (62.5%)
  HK$30,000 or above 22 (32.8%) 16 (22.2%)
 Living with others 68 74 0.868
  Yes 61 (89.7%) 67 (90.5%)
  No 7 (10.3%) 7 (9.5%)
 Had a partner who smoked 70 74 0.305
  Yes 13 (18.6%) 19 (25.7%)
  No 57 (81.4%) 55 (74.3%)
Current smoking status and behavior
 Smoking status 70 74 0.587
  Daily smoker 69 (98.6%) 74 (100.0%)
  Occasional smoker 0 (0%) 0 (0%)
  Recently quit 1 (1.4%) 0 (0%)
 Average cigarette/day in the past 1 month 70 73 0.911
  10 or fewer 25 (35.7%) 24 (32.9%)
  11–20 33 (47.1%) 37 (50.7%)
  21 or more 12 (17.1%) 12 (16.4%)
 Years of smoking 70 19.06 ± 6.61 74 18.10 ± 4.87 0.323#
 Nicotine dependence level 70 74 0.383
  Low 26 (37.1%) 35 (47.3%)
  Moderate 14 (20.0%) 15 (20.3%)
  High 30 (42.9%) 24 (32.4%)
 Smoke at home 70 74 0.194
  Yes 54 (77.1%) 64 (86.5%)
  No 16 (22.9%) 10 (13.5%)
 Social support in quitting 70 74 1.000
  Yes 67 (95.7%) 70 (94.6%)
  No 3 (4.3%) 4 (5.4%)
Quitting history
 Previous attempt at quitting 70 74 0.419
  No 22 (31.4%) 28 (37.8%)
  Yes 48 (68.6%) 46 (62.2%)
Intention to quit
 Stages of change 70 74 0.227
  Pre-contemplation 11 (15.7%) 16 (21.6%)
  Contemplation 26 (37.1%) 16 (21.6%)
  Preparation 31 (44.3%) 40 (54.1%)
  Action 2 (2.9%) 2 (2.7%)

p-value was obtained from a chi-square test

* Data presented as mean ± SD

# p-value was obtained from Independent sample t- tests