Table 1. Age-standardized covariate distribution across categories of maternal consumption of artificially-sweetened carbonated soft drinks during pregnancy, N = 60,465.
| Frequency of intake | N1 (%) | Never N = 40,523%or means (SD) | <1 serv/week N = 7,588%or means (SD) | Weekly N = 9,971%or means (SD) | > = 1 serv/day N = 2,383%or means (SD) |
| Maternal age (years)* | |||||
| ≤20 | 586 (1) | 1 | 1 | 1 | 1 |
| 21–39 | 59,311 (98) | 98 | 98 | 98 | 98 |
| ≥40 | 567 (1) | 1 | 1 | 1 | 1 |
| Prepregnancy BMI (kg/m2) | |||||
| ≤18.5 | 2,476 (4) | 5 | 3 | 2 | 2 |
| 18.6–24.9 | 38,212 (68) | 71 | 68 | 61 | 54 |
| 25.0–29.9 | 10,885 (19) | 18 | 20 | 24 | 27 |
| 30.0–34.9 | 3,299 (6) | 5 | 6 | 9 | 11 |
| ≥35.0 | 1,219 (2) | 2 | 3 | 3 | 5 |
| Physical activity | |||||
| Yes | 22,399 (39) | 37 | 43 | 41 | 37 |
| Smoking in pregnancy | |||||
| Current smokers | 7,470 (12) | 13 | 9 | 10 | 17 |
| Parity | |||||
| Nullipara | 30,590 (53) | 51 | 58 | 56 | 52 |
| Socioeconomic position | |||||
| High level proficiencies | 12,449 (23) | 23 | 23 | 22 | 22 |
| Medium level proficiencies | 16,692 (31) | 30 | 32 | 32 | 30 |
| Skilled | 14,601 (27) | 26 | 27 | 28 | 29 |
| Unskilled | 6,810 (13) | 13 | 12 | 12 | 14 |
| Students | 2,425 (4) | 5 | 4 | 4 | 4 |
| Unemployed | 1,462 (3) | 3 | 2 | 2 | 2 |
| Breastfeeding duration | |||||
| No breastfeeding | 862 (2) | 2 | 2 | 2 | 4 |
| 0–1 months | 3,988 (9) | 9 | 8 | 11 | 13 |
| 2–3 months | 4,424 (10) | 10 | 9 | 11 | 14 |
| 4–6 months | 8,004 (19) | 18 | 18 | 20 | 21 |
| 7–9 months | 11,636 (27) | 27 | 29 | 28 | 22 |
| ≥10 months | 14,078 (33) | 34 | 33 | 28 | 26 |
| Maternal asthma | |||||
| Yes | 5,289 (9) | 9 | 9 | 9 | 10 |
| Maternal allergies | |||||
| Yes | 18,404 (32) | 32 | 31 | 32 | 33 |
| Paternal asthma | |||||
| Yes | 4,720 (8) | 8 | 8 | 9 | 9 |
| Paternal allergies | |||||
| Yes | 13,739 (24) | 24 | 24 | 24 | 24 |
| Child gender | |||||
| Male | 30,754 (51) | 51 | 52 | 51 | 52 |
| Gestational weight gain (g/week) | 41,681 | 468 (213) | 465 (211) | 465 (223) | 460 (241) |
| Birth weight (g) | 57,403 | 3,572 (571) | 3,593 (573) | 3,596 (577) | 3,595 (588) |
| Gestational age (days) | 60,454 | 280 (14) | 280 (15) | 280 (13) | 279 (16) |
| Dietary intake | |||||
| Energy intake (kJ/day) | 60,227 | 10,208 (2,706) | 9,707 (2,570) | 9,787 (2,588) | 9,945 (2,809) |
| Fruit intake (g/day) | 60,461 | 320 (267) | 327 (270) | 329 (258) | 335 (327) |
| Vegetable intake (g/day) | 60,461 | 129 (99) | 130 (95) | 128 (96) | 132 (129) |
| Alcohol (g/day) | 60,227 | 1.5 (2.3) | 1.6 (2.1) | 1.7 (2.3) | 1.7 (2.8) |
| Total vitamin A (RE/day) | 60,227 | 1,500 (24,090) | 1,297 (569) | 2,125 (50,352) | 2,672 (68,549) |
| Total vitamin D (µg/day) | 60,227 | 8.9 (5.5) | 9.2 (5.5) | 9.2 (5.6) | 8.9 (5.6) |
| Total vitamin E (α-TE/day) | 60,227 | 16.4 (19.7) | 16.3 (19.9) | 15.8 (15.6) | 15.4 (14.7) |
| Total selenium (µg/day) | 60,227 | 70.1 (27.9) | 72.8 (27.4) | 72.6 (26.9) | 70.9 (26.6) |
| Total zinc (mg/day) | 60,227 | 19.6 (7.7) | 20.2 (7.7) | 20.1 (7.4) | 19.7 (7.4) |
Values are standardized to the age distribution of the study population.
*
Value not age-adjusted.
1
Total may be <N due to missing values.