Table 1

Characteristics of the invited cohort in the SAMINOR 1 Survey (2003–2004) aged 30 and 36–79 years, total participants,* respondents to the Q2† and included subsamples

Invited (%)Total participants (%)*Completed the Q2†SMI (%)‡SRS (%)§
Number27 98716 86516 05015 00515 088
Attendance (%)10060.357.453.653.9
Sex
 Women13 446 (48)8755 (52)8389 (52)7872 (52)7867 (52)
 Men14 541 (52)8110 (48)7661 (48)7133 (48)7221 (48)
Age (years)
 30–5919 323 (69)11 430 (68)10 878 (68)10 381 (69)10 361 (69)
 60–798664 (31)5435 (32)5172 (32)4624 (31)4727 (31)
County
 Trøndelag1526 (5)994 (6)994 (6)957 (6)955 (6)
 Nordland2666 (10)1223 (7)1223 (8)1146 (8)1151 (8)
 Troms6725 (24)3998 (24)3996 (25)3544 (24)3562 (24)
 Finnmark17 070 (61)10 650 (63)9837 (61)9358 (62)9420 (62)
Marital status
 Single7057 (25)3415 (20)3159 (20)2981 (20)2980 (20)
 Married15 394 (55)10 354 (62)9953 (62)9327 (62)9388 (62)
 Widow(er)1826 (7)1066 (6)1015 (6)905 (6)924 (6)
 Divorced3071 (11)1712 (10)1624 (10)1506 (10)1510 (10)
 Separated638 (2)318 (2)299 (2)286 (2)286 (2)
Ethnicity
 Non-Sami10 390 (62)10 222 (64)9546 (64)9618 (64)
 Sami5915 (35)5297 (33)4963 (33)4982 (33)
 Missing/born abroad560 (3)531 (3)496 (3)488 (3)
Education
 0–11 years8 635 (54)7959 (53)8034 (53)
 ≥12 years6424 (40)6182 (41)6181 (41)
 Missing991 (6)864 (6)873 (6)
  • *Participants who consented to medical research, and completed at least one questionnaire or attended the clinical examination.

  • †Participants who completed the screening questionnaire (Q2).

  • ‡Participants who consented to having their information linked to national registries, and responded to the question: Do you have, or have you had: ‘a myocardial infarction?’ (SMI).

  • §Participants who consented to having their information linked to national registries, and responded to the question: Do you have, or have you had: ‘a stroke/brain haemorrhage?’ (SRS).

  • SMI, self-reported myocardial infarction; SRS, self-reported stroke.