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. 2020 Aug 14;20:1237. doi: 10.1186/s12889-020-09308-x

Table 1.

Sample description (weighted data) by indicator of mental health problem in past-year smokers and the subset of current smokers

All Ever diagnosis Past-month distress Past-year treatment
Past-year cigarette smokers No Yes Test statistics Minimal Moderate Serious Test statistics No Yes Test statistics
Unweighted n 6071 3904 2167 3981 1499 591 4742 1329
Age, % 16–24 18.8 18.4 19.6

χ2 = 87.89, p < 0.001,

V = 0.118

15.1 25.9 26.1

χ2 = 207.65, p < 0.001,

V = 0.128

18.7 19.2 χ2 = 74.83, p < 0.001, V = 0.109
25–34 22.5 21.7 24.1 21.8 23.7 24.6 22.2 23.7
35–44 18.2 17.1 20.0 17.6 19.2 19.2 17.3 21.3
45–54 18.3 17.7 19.5 19.3 15.7 18.1 17.6 20.9
55–64 11.9 12.4 11.2 13.4 9.0 9.6 12.4 10.2
≥65 10.2 12.8 5.7 12.8 6.5 2.3 11.8 4.7
Gender, % a Men 52.4 57.6 43.0

χ2 = 124.73, p < 0.001,

V = 0.141

55.5 48.2 41.2

χ2 = 58.32, p < 0.001,

V = 0.096

56.2 38.7 χ2 = 132.23, p < 0.001, V = 0.145
Women 47.6 42.4 57.0 44.5 51.8 58.8 43.8 61.3
Occupational grade, % AB 14.9 16.0 13.1

χ2 = 209.54, p < 0.001,

V = 0.182

16.3 13.2 10.4

χ2 = 235.35, p < 0.001,

V = 0.136

15.8 11.7 χ2 = 253.20, p < 0.001, V = 0.200
C1 24.5 25.1 23.5 24.9 25.2 20.4 25.4 21.5
C2 25.7 27.8 21.9 27.7 23.0 18.6 27.3 20.0
D 20.2 21.2 18.3 20.7 18.7 19.9 20.5 18.8
E 14.7 9.9 23.2 10.4 19.9 30.7 11.0 27.9
Smoking, % Daily cigs 81.6 82.0 81.0

χ2 = 3.58, p = 0.167,

V = 0.024

82.7 78.8 82.1

χ2 = 11.44, p = 0.022,

V = 0.030

81.6 81.8 χ2 = 8.60, p = 0.014, V = 0.037
Non-daily cigs 10.9 11.0 10.7 10.3 12.6 10.8 11.3 9.3
Stopped last year 7.5 7.0 8.3 7.0 8.7 7.2 7.1 8.8
Type of cigarette, % b Manufactured 50.4 56.2 40.2 χ2 = 146.15, p < 0.001, V = 0.154 55.3 43.6 34.1 χ2 = 131.67, p < 0.001, V = 0.103 53.6 39.3 χ2 = 87.92, p < 0.001, V = 0.120
Roll-your-own 44.1 38.8 53.7 40.0 50.1 57.8 41.5 53.6
Mix 5.4 5.0 6.1 4.7 6.3 8.1 4.9 7.2
Urges to smoke, % None 16.9 18.9 13.5

χ2 = 117.41, p < 0.001,

V = 0.136

18.4 14.8 12.6

χ2 = 179.27, p < 0.001,

V = 0.12

18.2 12.3 χ2 = 111.32, p < 0.001, V = 0.133
1 16.3 17.4 14.4 17.7 14.4 11.7 17.0 13.8
2 43.3 43.6 42.6 44.1 43.6 36.7 43.7 41.9
3 17.3 15.8 20.0 15.6 19.2 24.0 16.2 21.1
4 4.5 3.4 6.4 3.2 5.6 10.4 3.6 7.5
5 1.7 0.9 3.0 1.0 2.3 4.6 1.2 3.4
HSI, % Low (< 4) 87.5 90.4 82.4 χ2 = 84.35, p < 0.001, V = 0.116 89.8 85.2 77.7 χ2 = 82.78, p < 0.001, V = 0.114 89.4 80.7 χ2 = 75.31, p < 0.001, V = 0.109
High (4+) 12.5 9.6 17.6 10.2 14.8 22.3 10.6 19.3
≥1 quit attempt, % b Yes 32.5 30.4 36.2

χ2 = 22.00, p < 0.001,

V = 0.059

29.6 37.7 38.8

χ2 = 46.28, p < 0.001,

V = 0.086

30.8 38.3 χ2 = 27.05, p < 0.001, V = 0.065
Abstinence ≥ 1 month, % Yes 12.9 12.3 13.8 χ2 = 3.01, p = 0.083, V = 0.022 11.6 16.1 13.4 χ2 = 20.39, p < 0.001, V = 0.057 12.5 14.1 χ2 = 2.40, p = 0.122, V = 0.019
Current cigarette smokers
Unweighted n 5637 3646 1991 3708 1381 548 4420 1217
MTSS % In ≤3 months 14.4 13.3 16.3 χ2 = 9.79, p = 0.002, V = 0.041 13.0 17.7 15.6 χ2 = 19.30, p < 0.001, V = 0.057 13.6 17.3 χ2 = 11.15, p = 0.001, V = 0.044
Cutting down, % Yes 46.1 43.1 51.4 χ2 = 37.12, p < 0.001, V = 0.080 42.8 52.2 53.3 χ2 = 49.39, p < 0.001, V = 0.092 44.5 52.0 χ2 = 22.57, p < 0.001, V = 0.062
Current NRT, % Yes 8.5 7.5 10.5 χ2 = 15.60, p < 0.001, V = 0.052 7.6 10.0 11.2 χ2 = 13.33, p = 0.001, V = 0.048 7.6 11.8 χ2 = 22.26, p < 0.001, V = 0.062
Current EC, % Yes 19.4 17.1 23.5 χ2 = 34.78, p < 0.001, V = 0.077 16.6 25.5 23.0 χ2 = 57.95, p < 0.001, V = 0.100 18.1 23.9 χ2 = 21.10, p < 0.001, V = 0.060
Current NRT or EC, % Yes 25.4 22.6 30.5 χ2 = 44.64, p < 0.001, V = 0.087 22.3 31.6 30.6 χ2 = 56.02, p < 0.001, V = 0.098 23.5 32.4 χ2 = 41.13, p < 0.001, V = 0.084
Weekly spend Mean (SD) b £ 22.6 (17.1) 23.3 (17.3) 21.4 (16.7) F = 15.30, p < 0.001 23.3 (17.3) 21.5 (16.8) 20.8 (16.2) F = 8.75, p < 0.001 22.7 (17.1) 22.3 (17.0) F = 0.57, p = 0.45
Weekly spend Median b £ 20 20 16 p < 0.001 20 17 15 p < 0.001 20 17 p = 0.33

MTSS Motivation to stop smoking

aThe provided third option was not used by anyone in the included sample

bType of cigarette missing unweighted n = 164, weekly spend missing unweighted n = 216

cThe median number of quit attempts was 0 for all groups; the mean number of quit attempts overall was 0.59 (SD = 3.10), this was similar for those with (M = 0.67; SD = 3.00) and without diagnosis (M = 0.55, SD = 3.15; F(1,6316) = 2.13, p = 0.14), with (M = 0.71, SD = 2.82) and without past-year treatment (M = 0.56, SD = 3.17; F(1,6316) = 2.42, p = 0.112) and differed slightly across levels of distress (minimal: M = 0.51, SD = 3.08, moderate: M = 0.76, SD = 3.55, serious: M = 0.70, SD = 1.66; F(2,6315) = 3.93, p = 0.02)