Table 3 Characteristics of survey responders and non-responders: the Gestational Diabetes Effects on Moms (GEM) study
All Sample | Non-responders | Responders | P-value | |
|---|---|---|---|---|
N = 2,320 | N = 526 (22.7%) | N = 1,794 (77.3%) | ||
Age, years | 0.21 | |||
18–24 | 119 (5.13) | 33 (6.3) | 86 (4.8) | |
25–29 | 536 (23.1) | 114 (21.7) | 422 (23.5) | |
30–34 | 863 (37.2) | 184 (35.0) | 679 (37.9) | |
35–50 | 802 (34.6) | 195 (37.1) | 607 (33.8) | |
Race/ethnicity | 0.003 | |||
African American | 106 (4.6) | 28 (5.3) | 78 (4.4) | |
Asian | 953 (41.1) | 231 (43.9) | 722 (40.3) | |
Pacific Islander | 38 (1.6) | 13 (2.5) | 25 (1.4) | |
Hispanic | 520 (22.4) | 122 (23.2) | 398 (22.2) | |
Non-hispanic white | 580 (25.0) | 105 (20.0) | 475 (26.5) | |
Other | 43 (1.9) | 16 (3.0) | 27 (1.5) | |
Multiracial/Multiethnic | 75 (3.2) | 11 (2.1) | 64 (3.6) | |
Missing | 5 (0.2) | 0 (0.0) | 5 (0.3) | |
Parity | 0.88 | |||
0 | 964 (41.6) | 210 (39.9) | 754 (42.0) | |
1 | 769 (33.1) | 158 (30.0) | 611 (34.1) | |
2 | 334 (14.4) | 75 (14.3) | 259 (14.4) | |
≥3 | 208 (9.0) | 46 (8.8) | 162 (9.0) | |
Unknown | 45 (1.9) | 37 (7.0) | 8 (0.5) | |
Pregravid BMI, kg/m2 | 0.11 | |||
<20.0 | 120 (5.2) | 30 (5.7) | 90 (5.0) | |
20.0–24.9 | 667 (28.8) | 163 (31.0) | 504 (28.1) | |
25.0–29.9 | 671 (28.9) | 148 (28.1) | 523 (29.2) | |
30.0–34.9 | 417 (18.0) | 76 (14.5) | 341 (19.0) | |
≥35.0 | 405 (17.5) | 80 (15.2) | 325 (18.1) | |
Missing | 40 (1.7) | 29 (5.5) | 11 (0.6) | |
Gestational age at GDM diagnosis, weeks | 0.75 | |||
5.6–13.9 | 286 (12.3) | 61 (11.6) | 225 (12.5) | |
14.0–27.9 | 1092 (47.1) | 245 (46.6) | 847 (47.2) | |
28.0–37.3 | 942 (40.6) | 220 (41.8) | 722 (40.3) | |
100-g, 3-h OGTT glucose levels, mg/dl | Mean (SD) | Mean (SD) | Mean (SD) | |
Fasting | 91.3 (12.5) | 90.4 (12.0) | 91.6 (12.6) | 0.05 |
1-hour | 198.7 (25.2) | 200.4 (25.0) | 198.2 (25.3) | 0.08 |
2-hour | 176.9 (26.6) | 178.1 (27.8) | 176.5 (26.2) | 0.24 |
3-hour | 129.2 (32.9) | 130.0 (34.1) | 128.9 (32.5) | 0.53 |
Systolic blood pressure, mmHg | 114.3 (13.0) | 114.1 (13.5) | 114.3 (12.9) | 0.69 |
Diastolic blood pressure, mmHg | 68.1 (9.3) | 68.0 (9.6) | 68.1 (9.2) | 0.90 |