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Table 1 Sample characteristics: demographic variables and health status (n = 408)

From: Psychometric properties of the PROMIS-57 questionnaire, Norwegian version

Age—mean (SDa/min-max) 52 (13/19–88)
n (%)
Women 310 (76)
Living alone Employed, part or full time 102 (25)
Retired 215 (53)
Permanent disability 57 (14)
Sick leave, short or long termb 79 (19)
Otherc 42 (10)
Income level Low ( < 350 k NOK) 15 (4)
Middle (350 k–600k NOK) 124 (31)
High ( > 600 k NOK) 183 (45)
Education College level or higher 96 (24)
Intermediate 298 (73)
Elementary only ( > 10 year) 89 (22)
Health problems, self reported Physical health problems 21 (5)
Mental health problems 166 (41)
Both physical and mental 18 (4)
No health problems 94 (23)
  1. aStandard deviation
  2. bAway from work > 12 month duration, «arbeidsavklaringspenger»
  3. cHomemaker, student, no response or marked as «other»