Research Article

A Randomized Controlled Trial of Two Different Lengths of Nicotine Replacement Therapy for Smoking Cessation

Table 1

Baseline demographic, smoking, and other characteristics of the two groups of participants.

CharacteristicsA1
( )
% ( )
A2
( )
% ( )
value for test

Demographics:
Gender0.84
 Male77.8 (221)78.8 (219)
 Female22.2 (63)21.2 (59)
Marital status0.57
 Single39.4 (112)42.1 (117)
 Married/cohabiting53.2 (151)52.5 (146)
 Divorced/separated/widowed7.4 (21)5.4 (15)
Occupational status 0.20
 Currently employed74.3 (211)77.0 (214)
 Unemployed9.9 (28)12.9 (36)
 Housewife8.1 (23)4.0 (11)
 Full-time student3.5 (10)3.2 (9)
 Retired4.2 (12)2.9 (8)
Age, years0.77
 25 or below16.2 (46)17.3 (48)
 26–3539.8 (113)35.6 (99)
 36–4524.6 (70)25.5 (71)
 46 or above19.4 (55)21.6 (60)
Educational attainment 0.56
 Primary as below9.9 (28)9.4 (26)
 Secondary (F1–F5)61.3 (174)57.6 (160)
 Matriculation or above28.9 (82)33.1 (92)
Monthly household income 0.93
 HK$9,999 or less22.5 (64)21.6 (60)
 HK$10,000–29,99956.3 (160)56.1 (156)
 HK$30,000 or above21.1 (60)22.3 (62)

Tobacco use related:
Daily cigarette consumption in the past month0.30
 10 or less27.8 (79)25.5 (71)
 11–2046.5 (132)52.9 (147)
 21 or above25.7 (73)21.6 (60)
Nicotine dependency level0.58
 Low26.1 (74)28.4 (79)
 Moderate32.7 (93)28.8 (80)
 Severe41.2 (117)42.8 (119)
Years of smoking0.83
 1–1028.2 (80)26.3 (73)
 11–2036.6 (104)36.3 (101)
 20 or more35.2 (100)37.4 (104)
Spouse or household members’ smoking status0.82
 Smoker 12.3 (35)12.9 (36)
 Nonsmoker87.7 (249)87.1 (242)
No. of previous quitting attempt (s)0.55
 None28.5 (81)26.3 (73)
 One or more71.5 (203)73.7 (205)
Length of abstinence in the last quitting attempt*0.08
 1–30 days71.4 (145)79.0 (162)
 >30 days28.6 (58)21.0 (43)
Stage of change0.18
 Precontemplation6.3 (18)5.8 (16)
 Contemplation71.8 (204)64.7 (180)
  Preparation18.0 (51)25.5 (71)
 Action3.9 (11)4.0 (11)
Choice of NRT use 0.65
 Patch71.2 (202)69.0 (192)
 Gum28.8 (82)31.0 (86)

Note: US$1 = HK$7.8.
Nicotine dependence level was measured by Fagerstrom scale. It is divided into 3 levels: low (score 0–3), moderate (score 4-5), and severe (score = 6–10).
*This question is only for those subjects who had attempted quitting smoking in the past.