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. 2023 May 12;23:340. doi: 10.1186/s12884-023-05618-1

Table 2.

Sample characteristics (N = 247)

Variable Mean ± SD or % (n)
LOC Patterns All participants No LOC (n = 152) LOC prior and during pregnancy (n = 31) LOC only during pregnancy (n = 61)
Age, years 28.53 ± 5.42 28.42 ± 5.25 28.86 ± 5.87 28.74 ± 5.79
Racial identity
 Black/African American 45.8% (113) 41.4% (63) 35.5% (11) 60.7% (37)
 Others 54.2% (134) 58.6% (89) 64.5% (20) 39.3% (24)
Parity
 Nulliparous 34.8% (86) 40.1% (61) 32.3% (10) 23% (14)
 Multiparous 65.2% (161) 59.9% (91) 67.7% (21) 77% (47)
Education
  ≤ High School Degree 33.2% (82) 27.6% (42) 35.5% (11) 45.9% (28)
  > High School Degree 66.8% (165) 72.4% (110) 64.5% (20) 54.1% (33)
Annual Household Income
  ≤ $30,000 65.6% (162) 59.2% (90) 64.5% (20) 82% (50)
  > $30,000 34.4% (85) 40.8% (62) 35.5% (11) 18% (11)
Smoking
 No 83% (205) 59.2% (128) 64.5% (24) 82% (50)
 Yes 17% (42) 40.8% (24) 35.5% (7) 18% (11)
Pre-pregnancy weight, pounds 197 ± 42.34 193.97 ± 40.77 201.45 ± 45.1 201.61 ± 44.84
Pre-pregnancy BMI, kg/m2 32.78 ± 6.35 32.34 ± 6.14 33.97 ± 6.66 33.2 ± 6.78
Pre-pregnancy Weight Status
 Overweight 42.5% (105) 44.7% (68) 38.7% (12) 39.3% (24)
 Obese 57.5% (142) 55.3% (84) 61.3% (19) 60.7% (37)
 GWG, lbs 13.47 ± 9.34 12.79 ± 8.8 12.56 ± 10.26 15.88 ± 10.05
GWG Categorya
 Inadequate 16.6% (41) 17.8% (27) 19.4% (6) 13.1% (8)
 Adequate 15.4% (38) 16.4% (25) 19.4% (6) 8.2% (5)
 Excessive 68.02% (168) 65.2% (100) 61.3% (19) 78.7% (48)
 Gestational length, weeks 38.67 ± 2.63 38.38 ± 2.99 39.55 ± 1.63 38.97 ± 1.85

BMI Body mass index, GWG Gestational weight gain, LOC Loss of control eating

aCategories determined according to gestational weight gain guidelines from the Institute of Medicine