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Table 2 Baseline distribution of the answer categories for the separate items included in the outcome variables very good health and sleep disturbance

From: Simple neck pain questions used in surveys, evaluated in relation to health outcomes: a cohort study

Women N = 627 Perceived health %(n)   Little interest or pleasure in doing things %(n) Feeling down, depressed, or hopeless %(n)
Very good 32% (204) Yes 33% (210) 40% (252)
Pretty good 50% (312) No 67% (417) 60% (375)
Neither good 12% (73)    
Pretty poor 5% (34)    
Poor 1% (4)    
  Difficulties falling asleep Repeated awakenings with difficulties going back to sleep Not thoroughly rested at awakening Tired/sleepy during studies or leisure time
Never, 12% (76) 34% (212) 3% (17) 1% (6)
Once/a few times per year, 35% (221) 39% (246) 13% (81) 6% (41)
Once/a few times per month, 39% (244) 21% (130) 36% (229) 40% (249)
Several times/week, 12% (76) 5% (35) 41% (256) 43% (268)
Every day 2% (10) 1% (4) 7% (44) 10% (63)
Men N = 573 Perceived health % (n)   Little interest or pleasure in doing things % (n) Feeling down, depressed, or hope-less % (n)
Very good 35% (201) Yes 26% (148) 30% (170)
Pretty good 47% (269) No 74% (425) 70% (403)
Neither good 13% (75)    
Pretty bad 5% (26)    
Bad 0.4% (2)    
  Difficulties falling asleep Repeated awakenings with difficulties going back to sleep Not thoroughly rested at awakening Tired/sleepy during studies or leisure time
Never 19% (107) 52% (301) 4% (21) 2% (8)
Once/a few times per year, 35% (202) 33% (191) 15% (89) 13% (74)
Once/a few times per month, 33% (187) 11% (61) 37% (211) 38% (218)
Several times/week, 10% (57) 3% (15) 36% (209) 40% (231)
Every day 3% (20) 1% (5) 8% (43) 7% (42)
  1. % = percentage of individuals answering a specific category; n = number of individuals answering a specific category.