Table 1.
Baseline characteristics of the DIASS participants, including collected dietary intake data.
| N | Total | Men | Women | |
|---|---|---|---|---|
| Men (n, %) | 215 | 60 (28) | 60 (100) | 155 (0) |
| Mean age, years (SD) | 215 | 39 (19) | 45 (19) | 37 (18) |
| Age category (n, %) | 215 | |||
| <25 years | 90 (42) | 19 (32) | 71 (46) | |
| 25–50 years | 43 (20) | 10 (16) | 33 (21) | |
| ≥50 years | 82 (38) | 31 (52) | 51 (33) | |
| Mean BMI, kg/m2 (SD) | 215 | 23.8 (4.0) | 25.0 (4.3) | 23.4 (3.8) |
| BMI category (n, %) | 215 | |||
| <18.5 kg/m2 | 7 (3) | 1 (1) | 6 (4) | |
| 18.5–25 kg/m2 | 148 (69) | 34 (57) | 114 (73) | |
| ≥25 kg/m2 | 60 (28) | 25 (42) | 35 (23) | |
| Mean BMR, kcal/day (SD) | 215 | 1545 (211) | 1799 (174) | 1446 (122) |
| Mean PAL | 203 | 1.46 (0.02) | 1.46 (0.02) | 1.46 (0.01) |
| Educational level (n, %) | 215 | |||
| Low | 5 (2) | 0 (0) | 5 (3) | |
| Intermediate | 85 (40) | 26 (43) | 59 (38) | |
| High | 125 (58) | 34 (57) | 91 (59) | |
| Marital status (n, %) | 215 | |||
| Married/registered partnership | 69 (32) | 25 (42) | 44 (28) | |
| Cohabiting | 25 (12) | 8 (13) | 17 (11) | |
| Serious relationship, not cohabiting | 20 (9) | 6 (10) | 14 (9) | |
| Single | 90 (42) | 17 (28) | 73 (47) | |
| Divorced | 7 (3) | 3 (5) | 4 (3) | |
| Widowed | 3 (1) | 0 (0) | 3 (2) | |
| Other | 1 (1) | 1 (2) | 0 (0) | |
| Paid job currently (n, %) | 215 | |||
| Yes | 112 (52) | 33 (55) | 79 (51) | |
| No | 103 (48) | 27 (45) | 76 (49) | |
| Diet regimen (n, %) | 204 | |||
| Yes, always | 35 (17) | 4 (7) | 31 (21) | |
| Yes, sometimes | 24 (12) | 6 (11) | 18 (12) | |
| Never | 145 (71) | 45 (82) | 100 (67) | |
| Number of complete dietary data collections (n, %) | ||||
| 2hR-day 1 | 214 | 591 (92) | 158 (88) | 433 (94) |
| WB-24hR | 167 | 474 (90) | 126 (88) | 348 (91) |
| TB-24hR | 39 | 117 (98) | 33 (92) | 84 (100) |
| Linked 24-h urine collections | 66 | 238 (86) | 73 (83) | 165 (88) |
| Blood sample | 66 | 138 (100) | 44 (100) | 94 (100) |
| Random 2hRs | 212 | 4669 (96) | 1322 (95) | 3347 (96) |
| FFQ | 212 | 204 (96) | 55 (92) | 149 (98) |
| Eetscore | 203 | 192 (95) | 54 (98) | 138 (93) |
| Mean System Usability Score (SD) | 190 | 72 (14) | 73 (15) | 72 (13) |
1 No more than one 2hR missed per day.