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. 2021 Sep 24;16:100931. doi: 10.1016/j.ssmph.2021.100931

Table 1.

Characteristics of mothers working standard schedules and mothers working nonstandard schedules.

Mothers
Standard schedules Nonstandard schedules Total
Total number of observations 4983 (80.50%) 1207 (19.50%) 6190 (100%)
Age#** ≤ 40 years of age 2438 (48.93%) 677 (56.09%) 3115 (50.32%)
40 years of age 2545 (51.07%) 530 (43.91%) 3075 (49.68%)
Number of children*** 2.41 (±.80) 2.58 (±.93) 2.45 (±.83)
Infant at home#*** No 4672 (93.76%) 1084 (89.81%) 5756 (92.99%)
Yes 311 (6.24%) 123 (10.19%) 434 (7.01%)
Social economic status#* Lower than average 1739 (34.90%) 506 (41.92%) 2245 (36.27%)
Higher than average 3244 (65.10%) 701 (58.08%) 3945 (63.73%)
Share of domestic work# I do my fair share 2249 (45.18%) 528 (43.78%) 2777 (44.91%)
I do less than my fair share 126 (2.53%) 35 (2.90%) 161 (2.60%)
I do more than my fair share 2603 (52.29%) 643 (53.32%) 3246 (52.49%)
Work hours# Part-time*** 1688 (33.88%) 708 (58.66%) 2396 (38.71%)
Full-time 2748 (55.15%) 413 (34.22%) 3161 (51.07%)
Overtime** 547 (10.98%) 86 (7.13%) 633 (10.23%)
Partner's work hours# Part-time 136 (2.73%) 35 (2.90%) 171 (2.76%)
Full-time 2441 (48.99%) 543 (44.99%) 2984 (48.21%)
Overtime** 2406 (48.28%) 629 (52.11%) 3035 (49.03%)
Job quality*** 3.10 (±.91) 2.73 (±.95) 3.03 (±.93)
Occupation# Managers† 676 (13.58%) 134 (11.13%) 810 (13.10%)
Professionals 1908 (38.32%) 447 (37.13%) 2355 (38.09%)
Technicians 150 (3.01%) 47 (3.90%) 197 (3.19%)
Service Workers 519 (10.42%) 187 (15.53%) 706 (11.42%)
Clericals† 1296 (26.03%) 234 (19.44%) 1530 (24.75%)
Sales Workers 264 (5.30%) 77 (6.40%) 341 (5.52%)
Operators^ 31 (0.62%) 18 (1.50%) 49 (0.79%)
Labourers** 135 (2.71%) 60 (4.98%) 195 (3.15%)

# Number of observations (% within the column) Mean (±SD) of all observations †p < 0.1; *p < 0.05; **p < 0.01; ***p < 0.001. ^ No results as too few cases.