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Table 2 Population characteristics, % (n), division by sex

From: Comparison of a high and a low intensity smoking cessation intervention in a dentistry setting in Sweden – a randomized trial

  Total
(N = 294)
High intensity treatment
(n = 146)
Low intensity treatment
(n = 148)
  Men Women p-value Men Women p-value Men Women p-value
Recruited* 22 (64) 78 (230) < .001 21 (30) 79 (116) < .001 23 (34) 77 (114) < .001
Age:          
18 – 34 8 (5) 10 (24)   7 (2) 5 (6)   9 (3) 16 (18)  
35 – 49 36 (23) 43 (98) .139 33 (10) 50 (58) .330b 38 (13) 35 (40) .223c
50 – 64 45 (29) 43 (99)   50 (15) 41 (47)   41 (14) 46 (52)  
65 – 84 11 (7) 4 (9)   10 (3) 4 (5)   12 (4) 4 (4)  
Education in years:          
0 – 9 31 (20) 20 (47) .068 33 (10) 17 (20) .052 29 (10) 24 (27) .498
≥ 10 69 (44) 80 (183)   67 (20) 83 (96)   70 (24) 77 (87)  
Smoker at first interview:          
Yes 98 (63) 99 (228) .523 97 (29) 99 (115) .370 100 (34) 99 (113) 1.000
No 2 (1) 1 (2)   3 (1) 1 (1)    1 (1)  
Number of smoked cigarettes:          
≥ 20/day 48 (31) 30 (68)   50 (15) 26 (30)   47 (16) 33 (38)  
10–19/day 34 (22) 56 (129) .006 30 (9) 58 (67) .016 38 (13) 54 (62) .244d
0–9/day 17 (11) 14 (33)   20 (6) 16 (19)   15 (5) 12 (14)  
  1. * Recruited = all those who came to the first interview
  2. Statistical significant difference between men and women tested with chi-square and Fisher's Exact test
  3. a 1 cell (12.5%) have expected count less than 5. The minimum expected count is 3.48
  4. b 2 cells (25.0%) have expected count less than 5. The minimum expected count is 1.64
  5. c 2 cells (25.0%) have expected count less than 5. The minimum expected count is 1.84
  6. d 1 cell (16.7%) have expected count less than 5. The minimum expected count is 4.36