Table 1 Distribution of characteristics by pre-pregnancy weight status perception among 1537 participants* in Project Viva
| Â | Entire sample | Normal weight women | Overweight/obese women | ||
|---|---|---|---|---|---|
Characteristics of participants | n = 1537 (100%) | Accurate assessors n = 898 (58%) | Overassessors n = 131 (9%) | Accurate assessors n = 438 (28%) | Underassessors n = 70 (5%) |
| Â | Mean (SD) or n (percent) | ||||
Pre-pregnancy | Â | Â | Â | Â | Â |
BMI (kg/m2) | 25.5 (5.1) | 22.4 (1.6) | 24.6 (1.2) | 31.7 (4.9) | 28.2 (2.6) |
Sociodemographics | Â | Â | Â | Â | Â |
   Age (years) | 32.3 (4.9) | 32.3 (4.8) | 33.3 (4.8) | 32.5 (4.9) | 30.2 (5.2) |
   White | 1106 (72%) | 691 (77%) | 102 (78%) | 277 (63%) | 36 (51%) |
   College graduate | 1046 (68%) | 670 (75%) | 97 (75%) | 246 (56%) | 33 (47%) |
   Household income ≤ $40,000 | 176 (12%) | 81 (10%) | 11 (9%) | 68 (16%) | 16 (28%) |
   Married or cohabitating | 1424 (93%) | 834 (93%) | 125 (96%) | 407 (93%) | 58 (83%) |
   Employed | 1298 (86%) | 764 (86%) | 103 (79%) | 370 (86%) | 61 (88%) |
Parous | 775 (50%) | 403 (45%) | 74 (56%) | 260 (59%) | 38 (54%) |
History of depression | 155 (12%) | 85 (11%) | 15 (13%) | 51 (14%) | 4 (7%) |
Current smoker | 166 (11%) | 77 (9%) | 15 (12%) | 66 (16%) | 8 (12%) |
Pregnancy | Â | Â | Â | Â | Â |
Behaviors | Â | Â | Â | Â | Â |
   Vegetarian diet | 93 (6%) | 57 (6%) | 10 (8%) | 21 (5%) | 5 (7%) |
   Fried food intake away from home (servings/day) | 0.1 (0.1) | 0.1 (0.1) | 0.1 (0.1) | 0.2 (0.1) | 0.1 (0.1) |
   Fruit and vegetable intake (servings/day) | 5.9 (2.8) | 6.0 (2.7) | 6.0 (2.7) | 5.6 (3.0) | 5.3 (3.6) |
   Vigorous activity (hours/day) | 0.1 (0.3) | 0.1 (0.3) | 0.1 (0.2) | 0.1 (0.3) | 0.1 (0.3) |
Gestation length (weeks) | 39.5 (1.9) | 39.6 (1.9) | 39.4 (1.6) | 39.3 (2.0) | 39.4 (2.0) |
Gestational weight gain (IOM categories) | Â | Â | Â | Â | Â |
   Excessive | 823 (54%) | 420 (47%) | 75 (57%) | 271 (62%) | 57 (82%) |
   Adequate | 508 (33%) | 363 (40%) | 39 (30%) | 98 (22%) | 8 (11%) |
   Inadequate | 206 (13%) | 115 (13%) | 17 (13%) | 69 (16%) | 5 (7%) |