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Table 1 Descriptive statistics for the whole sample and the CWP group at baseline in 1995

From: The impact of chronic widespread pain on health status and long-term health predictors: a general population cohort study

 All
n = 975
Men
n = 442
Women
n = 533
p-value gender differenceAll CWP
n = 123
Men
n = 33
Women
n = 90
p-value gender difference
Age, years (1995)   0.981   0.602
Mean (sd)44 (6)45 (6)48 (6) 47 (5)48 (5)46 (6) 
Educationa, n (%)0.010   0.894
 No more than 2 years548 (56.4)246 (55.9)302 (56.9) 87 (71.3)23 (69.7)64 (71.9) 
  >  2 years121 (12.5)71 (16.1)50 (9.4) 10 (8.2)3 (9.1)7 (7.9)
 University222 (22.9)91 (20.7)131 (24.7) 15 (12.3)5 (15.2)10 (11.2)
 Other80 (8.2)31 (7.3)48 (9.0) 10 (8.2)2 (6.1)8 (9.0)
Personal support, n (%)0.773   0.287
 Yes806 (82.9)364 (82.5)442 (83.2) 94 (76.4)23 (69.7)71 (78.9)
 No166 (17.1)77 (17.5)89 (16.8) 29 (23.6)10 (30.3)19 (21.1)
Circle of friends, n (%)0.380   0.026
 Yes615 (63.5)273 (62)342 (64.8) 64 (52.9)12 (36.4)52 (59.1)
 No353 (36.5)167 (38)186 (35.2) 57 (47.1)21 (63.6)36 (40.9)
Pain group, n (%)0.000    
 NCP593 (62.2)289 (67.1)304 (58.1) 
 CRP238 (24.9)109 (25.3)129 (24.7)
 CWP123 (12.9)33 (7.7)90 (17.2)
Smoking habits, n (%)0.325   0.918
 No, never smoked452 (46.5)194 (44)258 (48.6) 55 (44.7)15 (45.5)40 (44.4)
 No, have stopped281 (28.9)136 (30.8)145 (27.3) 33 (26.8)8 (24.2)25 (27.8)
 Yes, smoker239 (24.6)111 (25.2)128 (24.1) 35 (28.5)10 (30.3)25 (27.8)
Alcohol intake, n (%)0.000   0.125
 Never/almost never313 (32.2)96 (21.9)217 (40.8) 70 (56.9)17 (51.5)53 (58.9)
 Every month407 (41.9)198 (45.1)209 (39.3) 36 (29.3)8 (24.2)28 (31.1)
 Every week246 (25.3)143 (32.6)103 (19.4) 17 (13.8)8 (24.2)9 (10.0)
  > 4 times a week5 (0.5)2 (0.5)3 (0.6) 0 (0)0 (0)0 (0)
Physical activityb, n (%)0.002   0.582
 Never463 (28)237 (54.2)226 (42.9) 54 (43.9)17 (51.5)37 (41.1)
 Moderate337 (35)134 (30.7)203 (38.5) 42 (34.1)10 (30.3)32 (35.6)
 Active164 (17)66 (15.1)98 (18.6) 27 (22)6 (18.2)21 (23.3)
Sleeping problemsc, n (%)0.053   0.731
 No495 (52.9)240 (56.3)255 (50) 20 (16.8)6 (18.8)14 (16.1)
 Yes441 (47.1)186 (43.7)255 (50) 99 (83.2)26 (81.3)73 (83.9)
  1. a Highest finished education: No more than 2 years = after elementary school; > 2 years = more than 2 years after elementary school; University = education at university level; Other = all others
  2. b Never = < 30 min/day; Moderate = 1–2 times/week or 30–90 min/week; Active = > 2 times/week or > 120 min/week
  3. c No = no or minor sleeping problems; Yes = moderate to severe sleeping problems