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. 2014 Feb 6;2(1):e4. doi: 10.2196/mhealth.2841

Table 1.

Participants’ characteristics by country (n=602).


Country Total χ2 (P)
Characteristics AU n (%) UK n (%) US n (%) n (%)
Age, mean (SD) (years) 33.2 (9.4) 30.8 (9.9) 32.6 (10.2) 32.2 (9.9) -
Sex







30.4 (.001)





Female 65 (49.6)

79 (46.5)

210 (69.8) 354 (58.8)



Male 66 (50.4) 91 (53.5) 91 (30.2) 248 (41.2)
Education









28.7 (.001)

High school 73 (55.7)

67 (39.4)

161 (53.5)

301 (50.0)



Diploma/Associate 12 (9.2)

33 (19.4)

57 (18.9)

102 (16.9)

Graduate (Bachelor) 21 (16) 25 (14)

32 (10) 78 (13)



Master Degree or higher 5 (3)

5 (2)

19 (6)

29 (4)



Others 20 (15) 40 (23) 32 (10) 92 (15)
Language spoken at home






5.5 (.64)

English 117 (89.3)

157 (92.4) 287 (95.3) 561 (93.2)

Others (14 Languages) 14 (10)

13 (7) 14 (4) 41 (6)
OS



3.7 (.15)

Apple 105 (80.2)

135 (79.4)

220 (73.1)

460 (76.4)



Android 26 (19.8) 35 (20.6) 81 (26.9) 142 (23.6)
Nicotine dependency (Fagerström)









20.9 (.009)

Very low (0-2) 21 (16.0) 39 (22.9) 64 (21.3) 124 (20.6)



Low (3-4) 23 (17.6) 39 (22.9) 82 (27.2) 144 (23.9)

Medium (5) 17 (13) 28 (16) 39 (13) 84 (14)

High (6-7) 43 (32.8) 31 (18.2) 82 (27.2) 156 (25.9)

Very high (8-10) 27 (20) 33 (19) 34 (11) 94 (15)
Stage of change






11.2 (.02)

Next 30 days (preparation) 93 (71.0)

125 (73.5)

247 (82.1)

465 (77.2)



Next 6 months (contemplation) 28 (21.4) 31 (18.2)

45 (15.0)

104 (17.3)



Not thinking of quitting (precontemplation) 10 (7) 14 (8) 9 (3) 33 (5)
Number of quitting attempts last year






4.9 (.55)

1 time 35 (26.7) 33 (19.4) 56 (18.6) 124 (20.6)

2 times 21 (16.0) 36 (21.2) 66 (21.9) 123 (20.4)

3 or more 32 (24.4) 46 (27.1) 82 (27.2) 160 (26.6)

Never 43 (32.8) 55 (32.4) 97 (32.2) 195 (32.4)
Used smoking cessation apps before?






1.4 (.48)

Yes 77 (58.8) 93 (54.7) 158 (52.5) 328 (54.5)

No 54 (41.2) 77 (45.3) 143 (47.5) 274 (45.5)
Made quitting attempt using an app? (n=328)






1.0 (.60)

Yes 56 (46.2) 74 (79.5) 118 (74.6) 248 (75.6)

No 21 (53) 19 (20) 40 (25) 80 (24)