Table 2.
Baseline demographic and behavioral characteristics of women with objective weight measurements at baseline and 12 months.
| Characteristics | Substudy Analysis Sample (n=281) | Perceived Weight Gain (n=111) | Perceived No Weight Change (n=100) | Perceived Weight Loss (n=70) | P |
|---|---|---|---|---|---|
| Age (y) | .836 | ||||
| <21 | 37 (13.2) | 15 (13.5) | 15 (15.0) | 7 (10.0) | |
| 21–25 | 110 (39.1) | 45 (40.5) | 39 (39.0) | 26 (37.1) | |
| >25 | 134 (47.7) | 51 (46.0) | 46 (46.0) | 37 (52.9) | |
| Race* | <.001† | ||||
| Black | 141 (50.2) | 75 (67.6) | 40 (40.0) | 26 (37.2) | |
| White | 128 (45.5) | 35 (31.5) | 53 (53.0) | 40 (57.1) | |
| Other | 12 (4.3) | 1 (0.9) | 7 (7.0) | 4 (5.7) | |
| Marital Status | .413† | ||||
| Single | 156 (55.5) | 64 (57.7) | 57 (57.0) | 35 (50.0) | |
| Living with partner | 66 (23.5) | 28 (25.2) | 17 (17.0) | 21 (30.0) | |
| Married | 40 (14.2) | 12 (10.8) | 18 (18.0) | 10 (14.3) | |
| Separated/Divorced/Widowed | 19 (6.8) | 7 (6.3) | 8 (8.0) | 4 (5.7) | |
| Insurance* | .011 | ||||
| None | 90 (32.0) | 44 (39.6) | 28 (28.0) | 18 (25.7) | |
| Private | 151 (53.7) | 51 (46.0) | 64 (64.0) | 36 (51.4) | |
| Public | 40 (14.2) | 16 (14.4) | 8 (8.0) | 16 (22.9) | |
| Education | .266 | ||||
| High school diploma/GED or less | 65 (23.1) | 30 (27.1) | 19 (19.0) | 16 (22.9) | |
| Some College | 110 (39.2) | 44 (39.6) | 35 (35.0) | 31 (44.3) | |
| College degree or graduate school | 106 (37.7) | 37 (33.3) | 46 (46.0) | 23 (32.9) | |
| Trouble paying for basic expenses* | .004 | ||||
| No | 176 (62.9) | 56 (50.9) | 70 (70.0) | 50 (71.4) | |
| Yes | 104 (37.1) | 54 (49.1) | 30 (30.0) | 20 (28.6) | |
| Receiving Public Assistance* | .001 | ||||
| No | 180 (64.1) | 60 (54.1) | 78 (78.0) | 42 (60.0) | |
| Yes | 101 (35.9) | 51 (45.9) | 22 (22.0) | 28 (40.0) | |
| Parity * | .018 | ||||
| Nulliparous | 129 (45.9) | 46 (41.4) | 57 (57.0) | 26 (37.1) | |
| Parous | 152 (54.1) | 65 (58.6) | 43 (43.0) | 44 (62.9) | |
| Baseline BMI by CDC Classifications (kg/m2)* | .035† | ||||
| Underweight (<18.5) | 9 (3.2) | 2 (1.8) | 5 (5.0) | 2 (2.9) | |
| Normal (18.5–24.9) | 121 (43.0) | 39 (35.2) | 55 (55.0) | 27 (38.6) | |
| Overweight (25–29.9) | 64 (22.8) | 28 (25.2) | 19 (19.0) | 17 (24.3) | |
| Obese (≥30) | 87 (31.0) | 42 (37.8) | 21 (21.0) | 24 (34.3) | |
| Baseline Method* | .004† | ||||
| LNG IUS | 99 (35.2) | 38 (34.2) | 29 (29.0) | 32 (45.7) | |
| Copper-IUD | 73 (26.0) | 18 (16.2) | 35 (35.0) | 20 (28.6) | |
| Implant | 78 (27.8) | 37 (33.4) | 26 (26.0) | 15 (21.4) | |
| DMPA | 31 (11.0) | 18 (16.2) | 10 (10.0) | 3 (4.3) | |
| General Health | .598† | ||||
| Excellent | 77 (27.4) | 34 (30.6) | 25 (25.0) | 18 (25.7) | |
| Very good | 123 (43.8) | 50 (45.1) | 45 (45.0) | 28 (40.0) | |
| Good | 73 (26.0) | 23 (20.7) | 28 (28.0) | 22 (31.4) | |
| Fair | 7 (2.5) | 4 (3.6) | 1 (1.0) | 2 (2.9) | |
| Poor | 1 (0.3) | 0 (0.0) | 1 (1.0) | 0 (0.0) | |
| General Health at 12 months | .381† | ||||
| Excellent | 67 (24.0) | 21 (19.1) | 28 (28.0) | 18 (26.1) | |
| Very good | 124 (44.4) | 48 (43.6) | 42 (42.0) | 34 (49.3) | |
| Good | 71 (25.5) | 34 (30.9) | 25 (25.0) | 12 (17.4) | |
| Fair | 16 (5.7) | 7 (6.4) | 4 (4.0) | 5 (7.2) | |
| Poor | 1 (0.4) | 0 (0.0) | 1 (1.0) | 0 (0.0) | |
| Objective Weight* | <.001† | ||||
| Gain | 114 (40.6) | 85 (76.6) | 26 (26.0) | 3 (4.3) | |
| No Change | 99 (35.2) | 21 (18.9) | 56 (56.0) | 22 (31.4) | |
| Loss | 68 (24.2) | 5 (4.5) | 18 (18.0) | 45 (64.3) | |
| Mean WT Change (lbs)* | 2.2 ±12.2 | 10.3 ±9.9 | 1.5 ±8.1 | −9.5 ±10.5 | <.001‡ |
*
Significant at alpha level of .05
‡
P-value calculated using one-way ANOVA
†
P-value calculated using Fisher Exact Test. All other p-values calculated using χ2 test.
Data are n (%) or mean ± standard deviation unless otherwise specified.
GED, general education development test; DMPA, Depo-medroxyprogesterone acetate; IUC, intrauterine contraceptive; LNG, levonorgestrel. BMI, Body Mass Index.
Some n-values do not sum to total number in column heading, which accounts for missing responses.