Table 1.
Frequencies for demographic variables and anxiety disorder presence
| Demographic variables | Frequencies |
|---|---|
| n (%) | |
| Parent lowest combined social class at enrolmenta | |
| Manual | 300 (12.47) |
| Non‐manual | 1,696 (70.79) |
| Missing | 410 (17.04) |
| Ethnicity | |
| White | 2,108 (87.61) |
| Other ethnic group | 37 (1.54) |
| Missing | 261 (10.85) |
| Mother parityb | |
| Primipari | 1,068 (44.39) |
| Multipari | 1,180 (49.04) |
| Missing | 158 (6.57) |
| Weight status | |
| Wave 13–14 | |
| Underweight | 212 (8.81) |
| Normal weight | 1,516 (63.01) |
| Overweight/obese | 382 (15.88) |
| Missing | 296(12.30) |
| Wave 15–16 | |
| Underweight | 150 (6.11) |
| Normal weight | 1,086 (45.14) |
| Overweight/obese | 225 (9.35) |
| Missing | 945 (39.28) |
| Wave 17–18 | |
| Underweight | 147 (6.11) |
| Normal weight | 1,242 (51.62) |
| Overweight/obese | 308 (16.96) |
| Missing | 609 (25.31) |
| Fasting prevalence | |
| Wave 13–14 | |
| Any fasting in past year | |
| Yes | 217 (9.02) |
| No | 2,189 (90.98) |
| Wave 15–16 | |
| Monthly fasting in past year | |
| Yes | 202 (8.40) |
| No | 2,090 (86.87) |
| Missing | 114 (4.74) |
| Wave 17–18 | |
| Monthly fasting in past year | |
| Yes | 124 (5.15) |
| No | 1,554 (64.59) |
| Missing | 728 (30.26) |
| Anxiety disorder prevalencec | |
| Wave 13–14 | |
| Any anxiety disorder | |
| Yes | 29 (1.21) |
| No | 2,272 (94.43) |
| Missing | 105 (4.36) |
| Wave 15–16 | |
| Any anxiety disorder | |
| Yes | 47 (1.95) |
| No | 1,838 (76.39) |
| Missing | 521 (21.65) |
| Covariate prevalence | |
| Wave 13–14 | |
| Binge eating in past year | |
| Yes | 163 (6.77) |
| No | 1,976 (82.13) |
| Missing | 267 (11.10) |
| Purging in past year | |
| Yes | 53 (2.20) |
| No | 2,341 (97.30) |
| Missing | 12 (0.50) |
| Wave 15–16 | |
| Binge eating in past year | |
| Yes | 352 (14.63) |
| No | 1,941 (80.67) |
| Missing | 113 (4.70) |
| Purging in past year | |
| Yes | 232 (9.64) |
| No | 2,068 (85.95) |
| Missing | 106 (4.41) |
a
Parent occupation is a proxy indicator for socio‐economic status, with manual and non‐manual occupations coded according to 1991 Office of Population, Censuses and Surveys classification.
b
Parity describes whether the study child was the first carried to birth by the mother. Primipari indicates child was the first pregnancy carried to birth by the mother; multi‐pari indicates the mother had previous viable pregnancies.
c
As indicated by Development and Wellbeing Assessment computer‐generated diagnostic bandings.