Table 2.
Total Sample | Pregnancy-related hypertension |
|||
---|---|---|---|---|
|
||||
% | n | % | p value* | |
Total | 100.0 | 133,849 | 5.7 | |
Race | ||||
Non-Hispanic White | 58.3 | 77,980 | 5.8 | <.0001 |
Non-Hispanic Black | 32.6 | 43,671 | 6.3 | |
Hispanic | 9.1 | 12,198 | 3.5 | |
Gestational weight gain (GWG)** | ||||
Inadequate | 28.4 | 39,146 | 4.3 | <.0001 |
Adequate | 22.8 | 35,425 | 3.6 | |
Excessive | 48.8 | 59,278 | 7.6 | |
Pre-pregnancy BMI | ||||
Underweight | 4.7 | 6,251 | 2.9 | <.0001 |
Normal weight | 46.7 | 62,520 | 3.9 | |
Overweight | 20.7 | 27,722 | 5.8 | |
Obese | 27.9 | 37,356 | 9.2 | |
Parity | ||||
None | 45.7 | 61,118 | 7.3 | <.0001 |
1 or more | 54.3 | 72,731 | 4.5 | |
Maternal Education | ||||
<12 years | 24.0 | 32,152 | 4.8 | <.0001 |
12 years | 26.4 | 35,131 | 5.9 | |
>12 years | 49.7 | 66,566 | 6.1 | |
Smoking during Pregnancy | ||||
Yes | 14.2 | 18,994 | 5.4 | 0.0214 |
No | 85.8 | 114,855 | 5.8 | |
Prenatal Care Started | ||||
<13 weeks | 73.1 | 97,903 | 6.1 | <.0001 |
13 weeks or later | 26.9 | 35,946 | 4.7 | |
Maternal Age | ||||
<20 years | 14.4 | 19,326 | 5.6 | <.0001 |
20-34 years | 75.5 | 100,993 | 5.6 | |
34+ years | 10.1 | 13,530 | 6.7 | |
Marital Status | ||||
Yes | 55.4 | 74,121 | 5.7 | 0.7458 |
No | 44.6 | 59,728 | 5.8 |
p-value was based on chi-square tests of independence.
Gestational age was accounted for in the determination of adequacy of gestational weight gain using the 2009 Institute of Medicine’s recommendations.