Table 2.
Final sample size by sex and age groups—the National Food, Nutrition and Physical Activity Survey, 2015-2016, (IAN-AF).
| Age groups | Children (<10 years) | Adolescents (10-17 years) | Adults (18-64 years) | Elderly (≥65 years) | Total | |||||||||
| Male | Female | Male | Female | Male | Female | Male | Female | |||||||
| Selected participants, n | 1923 | 1965 | 952 | 988 | 8336 | 9384 | 3094 | 2541 | 29,183 | |||||
| Unknown eligibility, n | 388 | 404 | 197 | 163 | 1677 | 1960 | 458 | 369 | 5616 | |||||
| Known eligibility, n | 1535 | 1561 | 755 | 825 | 6659 | 7424 | 2636 | 2172 | 23,567 | |||||
| Eligible, n | 1410 | 1422 | 658 | 719 | 5725 | 5971 | 2037 | 1693 | 19,635 | |||||
| Noneligible, n | 125 | 139 | 97 | 106 | 934 | 1453 | 599 | 479 | 3932 | |||||
| Contact rate, n (%)a | 1410 (78.42) |
1422 (77.88) |
658 (76.9) |
719 (81.5) |
5725 (77.34) |
5971 (75.29) |
2037 (81.64) |
1693 (82.10) |
19,635 (77.76) |
|||||
| Participants’ 1st interview | ||||||||||||||
| Cooperation rate, n (%)b |
769 (54.54) |
745 (52.39) |
351 (53.3) |
349 (48.5) |
1881 (32.86) |
1563 (26.18) |
429 (21.06) |
466 (27.53) |
6553 (33.37) |
|||||
| Participation rate, n (%)c |
769 (42.77) |
745 (40.80) |
351 (41.1) |
349 (39.6) |
1881 (25.41) |
1563 (19.71) |
429 (17.19) |
466 (22.60) |
6553 (25.95) |
|||||
| Participants with 2 dietary assessments | ||||||||||||||
| Cooperation rate, n (%)b |
667 (47.30) |
660 (46.41) |
319 (48.5) |
313 (43.5) |
1674 (29.24) |
1428 (23.92) |
358 (17.57) |
392 (23.15) |
5811 (29.60) |
|||||
| Participation rate, n (%)c |
667 (37.10) |
660 (36.14) |
319 (37.3) |
313 (35.5) |
1674 (22.62) |
1428 (18.01) |
358 (14.35) |
392 (19.01) |
5811 (23.01) |
|||||
aContact rate: eligible/(eligible + unknown eligible individuals).
bCooperation rate: participants/eligible individuals.
cParticipation rate: participants/(eligible + unknown eligible individuals).