Table 1 Characteristics of the total sample and of the separate study arms (I and II)
Characteristics | Study arm I (970) | Study arm II (957) | Total sample (1,927) |
|---|---|---|---|
Gender, N (%) | 964 (99) | 956 (100) | 1,920 (100) |
Female | 523 (54) | 500 (52) | 1,023 (53) |
Male | 441 (46) | 456 (48) | 897 (47) |
Age (year), N (%) | 964 (99) | 957 (100) | 1,921 (100) |
18–27 | 182 (19) | 161 (17) | 343 (18) |
28–37 | 172 (18) | 189 (20) | 361 (19) |
38–47 | 151 (16) | 164 (17) | 315 (16) |
48–57 | 135 (14) | 168 (18) | 303 (16) |
58–67 | 174 (18) | 157 (16) | 331 (17) |
68–77 | 119 (12) | 99 (10) | 218 (11) |
≥ 78 | 31 (3) | 19 (2) | 50 (3) |
Ethnicity, N (%) | 970 (100) | 913 (95) | 1,883 (98) |
Asian/Asian-American | 38 (4) | 47 (5) | 85 (5) |
Black/African-American | 112 (12) | 80 (9) | 192 (10) |
Hispanic or Latino American | 55 (6) | 58 (6) | 113 (6) |
Native American/Inuit/Alaskan | 18 (2) | 13 (1) | 31 (2) |
Native Hawaiian/Pacific Islander | 4 (0) | 3 (0) | 7 (0) |
White American/Caucasian | 731 (75) | 698 (77) | 1,429 (76) |
Other | 12 (1) | 14 (2) | 26 (1) |
Educationa, N (%) | 609 (63) | 623 (65) | 1232 (64) |
More than secondary school | 490 (51) | 505 (53) | 995 (52) |
Secondary school graduate | 102 (11) | 102 (11) | 204 (11) |
Less than secondary school | 17 (2) | 16 (2) | 33 (2) |
Health conditionsb, N (%) | 970 (100) | 957 (100) | 1,927 (100) |
Pain | 432 (45) | 461 (48) | 893 (46) |
Fatigue/sleep problems | 354 (37) | 409 (43) | 763 (40) |
Mental health problems | 225 (23) | 226 (24) | 451 (23) |
Respiratory disease | 211 (22) | 207 (22) | 418 (22) |
Diabetes | 194 (20) | 170 (18) | 364 (19) |
Hearing or vision loss | 148 (15) | 164 (17) | 312 (16) |
Eczema | 115 (12) | 125 (13) | 240 (13) |
Gastrointestinal disease | 74 (8) | 102 (11) | 176 (9) |
Heart disease | 58 (6) | 67 (7) | 125 (7) |
Cancer | 71 (7) | 48 (5) | 119 (6) |
Rheumatism | 42 (4) | 42 (4) | 84 (4) |
Stroke | 28 (3) | 26 (3) | 54 (3) |
Epilepsy | 23 (2) | 24 (3) | 47 (2) |
Other diseases | 113 (12) | 129 (14) | 242 (13) |