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. 2021 Feb 23;18(4):2185. doi: 10.3390/ijerph18042185

Table 3.

Comparison of pre-pregnancy characteristics between clusters (n (%)/Mean (SD)).

Variable Total Good Sleeper Poor Sleeper Low Activity x2 or F p
n = 284 n = 180 (63.4%) n = 70 (24.6%) n = 34 (12.0%)
Age (year) <35 159 (88.8) 55 (78.6) 29 (87.9) 4.53 0.104
≥35 20 (11.2) 15 (21.4) 4 (12.1)
Education High school 24 (13.5) 16 (22.9) 3 (8.8) 12.01 0.017
College 126 (70.8) 50 (71.4) 30 (88.2)
Graduate 28 (15.7) 4 (5.7) 1 (2.9)
Employment No 131 (74.4) 55 (79.7) 28 (82.4) 1.47 0.481
Yes 45 (25.6) 14 (20.3) 6 (17.6)
Household Very Low 24 (13.7) 10 (14.3) 1 (3.3) 14.68 0.023
income Low 99 (56.6) 46 (65.7) 26 (86.7)
Medium 36 (20.6) 13 (18.6) 3 (10.0)
High 16 (9.1) 1 (1.4) 0 (0)
Planned No 57 (32.2) 26 (37.7) 11 (32.4) 0.69 0.707
pregnancy Yes 120 (67.8) 43 (62.3) 23 (67.6)
Trimester 1st 16 (8.9) 4 (5.8) 2 (5.9) 12.72 0.013
2nd 94 (52.5) 2 (31.9) 13 (38.2)
3rd 69 (35.8) 43 (62.3) 19 (55.9)
Pre-pregnancy Under-weight 23 (13.0) 12 (18.8) 4 (12.1) 5.97 0.470
BMI Normal weight 126 (71.2) 38 (59.4) 24 (72.7)
Over-weight 17 (9.6) 7 (10.9) 1 (3.0)
Obese 11 (6.2) 7 (10.9) 4 (12.1)
Pre-pregnancy No 108 (60.3) 34 (49.3) 23 (67.6) 3.84 0.147
regular exercise Yes 71 (39.7) 35 (50.7) 11 (32.4)
Pre-pregnancy No 95 (53.4) 22 (31.9) 15 (44.1) 9.34 0.009
drinking Yes 83 (46.6) 47 (68.1) 19 (55.9)
Pre-pregnancy No 157 (88.7) 55 (79.7) 34 (100) 9.11 0.011
smoking Yes 20 (11.3) 14 (20.3) 0 (0)
Depressive Non-depressed (≤15) 158 (87.8) 46 (65.7) 23 (67.6) 18.93 <0.001
symptom Depressed (≥16) 22 (12.2) 24 (34.3) 11 (32.4)
Pregnancy stress 29.7 (10.6) 34.8 (11.8) 32.6 (11.1) 5.43 0.005

BMI = body mass index.