Table 5.
Early Pregnancy Weight Category | |||||
---|---|---|---|---|---|
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Total Sample N = 1689 |
Healthy Weighta n = 871 |
Overweight n = 509 |
Obese Type Ib n = 309 |
P- valuec |
|
Age at enrollment (years), mean ±sd (n) | 27.5± 4.7(1689) | 27.4±4.7(871) | 27.5± 4.7(509) | 27.7± 4.5(309) | 0.77 |
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Gestational age at enrollment(weeks), mean ±sd (n) | 11.2 ± 4.3(1689) | 11.3± 4.3, 871 | 11.0 ± 4.2(509) | 11.3 ± 4.2(309) | 0.45 |
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Early pregnancy weight (kg), mean ±sd (n) | 68.3±12.9(1599) | 59.0 ± 6.3, 826 | 72.8 ± 7.2(481) | 86.9± 9.7(292) | <.0001 |
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Gestational age at earliest pregnancy weight (weeks), mean ±sd (n) | 8.4 ± 2.1(1599) | 8.5,± 2.1, 826 | 8.4 ± 2.1(481) | 8.4 ± 2.2(292) | 0.30 |
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Early pregnancy BMI, mean, sd,(n) | 25.4 ± 4.3(1252) | 22.1,± 1.7(670) | 27.2± 1.5,(368) | 32.7± 2.1(214) | <.0001 |
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Race (n non-missing) | 1573 | 825 | 464 | 284 | <.0001 |
Black or African American, n (%) | 388 (24.7) | 170 (20.6) | 114 (24.6) | 104 (36.6) | |
American Indian/Native Hawaiian Pacific Islander, n (%) | 10 (0.6) | 4 (0.5) | 4 (0.9) | 2 (0.7) | |
Asian, n (%) | 38 (2.4) | 28 (3.4) | 4 (0.9) | 6 (2.1) | |
White or Caucasian, n (%) | 1069 (68.0) | 594 (72.0) | 316 (68.1) | 159 (56.0) | |
Multiple, n (%) | 68 (4.3) | 29 (3.5) | 26 (5.6) | 13 (4.6) | |
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Ethnicity (n non-missing) | 1687 | 869 | 509 | 309 | 0.015 |
Hispanic/Latina, n (%) | 213 (12.6) | 90 (10.4) | 78 (15.3) | 45 (14.6) | |
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Education (n non-missing) | 1340 | 720 | 403 | 217 | <.0001 |
High School or GED and below, n (%) | 291 (21.7) | 143 (19.9) | 96 (23.8) | 52 (24.0) | |
Some College or Associate Degree or Vocational School, n (%) | 391 (29.2) | 176 (24.4) | 127 (31.5) | 88 (40.6) | |
College Graduate, n (%) | 326 (24.3) | 188 (26.1) | 96 (23.8) | 42 (19.4) | |
Master or Doctoral Degree, n (%) | 332 (24.8) | 213 (29.6) | 84 (20.8) | 35 (16.1) | |
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Personal Income in the past 12 month (n non-missing) | 1195 | 637 | 360 | 198 | 0.04 |
≤ $11,999, n (%) | 365 (30.6) | 193 (30.3) | 116 (32.2) | 56 (28.3) | |
$12,000-24,999, n (%) | 145 (12.1) | 62 (9.7) | 49 (13.6) | 34 (17.2) | |
$25,000–$34,999, n (%) | 143 (12.0) | 80 (12.6) | 38 (10.6) | 25 (12.6) | |
$35,000- $49,999, n (%) | 213 (17.8) | 116 (18.2) | 56 (15.6) | 41 (20.7) | |
≥$50,000, n (%) | 250 (20.9) | 144 (22.6) | 78 (21.7) | 28 (14.1) | |
Don't, n (%) | 79 (6.6) | 42 (6.6) | 23 (6.4) | 14 (7.1) | |
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Relationship status (n non-missing) | 1336 | 717 | 404 | 215 | 0.0004 |
Single, n (%) | 140 (10.5) | 59 (8.2) | 42 (10.4) | 39 (18.1) | |
Married / Co-habitating, n (%) | 1183 (88.6) | 654 (91.2) | 356 (88.1) | 173 (80.5) | |
Separated / Divorced, n (%) | 13 (1.0) | 4 (0.6) | 6 (1.5) | 3 (1.4) | |
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Parity (n non-missing) | 1686 | 869 | 508 | 309 | <.0001 |
Nulliparous, n (%) | 775 (46.0) | 439 (50.5) | 215 (42.3) | 212 (39.2) | |
Primaparous, n (%) | 550(32.6) | 281 (32.3) | 166 (32.7) | 103 (33.3) | |
Multiparous [n (%)] | 361 (21.4) | 149 (17.2) | 127 (25.0) | 85 (27.5) | |
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Smoking (n non-missing) | 1393 | 738 | 425 | 230 | 0.01 |
Non-smoker, n (%) | 941 (67.6) | 522 (70.7) | 280 (65.9) | 139 (60.4) | |
Exsmoker, n (%) | 364 (26.1) | 177 (24.0) | 120 (28.2) | 67 (29.1) | |
Current smoker, n (%) | 88 (6.3) | 39 (5.3) | 25 (5.9) | 24 (10.4) | |
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Alcohol (in the past 30 days) (n non-missing) | 1395 | 740 | 425 | 230 | |
None, n (%) | 1245 (89.3) | 658 (88.9) | 382 (89.9) | 205 (89.1) | 0.88 |
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CES-D score, mean ±sd (n) | 8.2±4.9(1414) | 7.8±4.8(749) | 8.6±4.9(430) | 8.8±5.0(235) | 0.003 |
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ACOG criteria using PPAQ (n non-missing) | 1359 | 729 | 409 | 221 | .001 |
Met recommendation, n (%) | 599 (44.1) | 349 (47.9) | 175 (42.8) | 75 (33.9) | |
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Employment for Pay (n non-missing) | 1342 | 719 | 404 | 219 | 0.42 |
Yes, n (%) | 959 (71.5) | 522 (72.6) | 288 (71.3) | 149 (68.0) | |
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Perceived Availability of Healthy Foods Scale (n non-missing) | 1338 | 718 | 401 | 219 | |
Strongly agree, n (%) | 469 (35.0) | 275 (38.3) | 143 (35.7) | 51 (32.3) | 0.0002 |
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PA neighborhood environment (n non-missing) | 1256 | 677 | 377 | 202 | |
High Crime, n (%) | 249 (19.8) | 118 (17.4) | 83 (22.0) | 48 (23.8) | 0.06 |
Includes 18 underweight women who over-reported their weight at screening
Includes 45 obese class II women who under-reported their weight at screening
Differences across BMI categories assessed by 1-way ANOVA (F-test; 2df) for continuous variables and by Chi-Square test for categorical variables. Differences in non-normal continuous factors across BMI categories was assessed using the Kruskal-Wallis test.