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. 2022 Aug 25;17(8):e0273339. doi: 10.1371/journal.pone.0273339

Table 1. Participant characteristics overall and according to pregnancy intention, n = 8491.

All women n = 849 Not planning to become pregnant
n = 693 (81.6%)
Planning to become pregnant
n = 156 (18.4%)
n (%) n (%) n (%) p-value2
Socio-demographic characteristics
Age group <0.0001
18–24 years 142 (16.7) 110 (15.9) 32 (20.5)
25–34 years 274 (32.3) 185 (26.7) 89 (57.1)
35–50 years 433 (51.0) 398 (57.4) 35 (22.4)
Location 0.50
Victoria–Metropolitan Melbourne 203 (23.9) 161 (23.2) 42 (26.9)
Regional Victoria, ACT, NT, WA, SA, TAS 219 (25.8) 184 (26.6) 35 (22.4)
Queensland 170 (20.0) 142 (20.5) 28 (18.0)
New South Wales 257 (30.3) 206 (29.7) 51 (32.7)
Remoteness 0.04
Rural or remote 45 (5.3) 42 (6.1) 3 (1.9)
Urban 804 (94.7) 651 (93.9) 153 (98.1)
Cultural or ethnic group 0.68
Oceanian 481 (56.7) 395 (57.0) 86 (55.1)
European or North American 209 (24.6) 170 (24.5) 39 (25.0)
Asian 99 (11.7) 77 (11.1) 22 (14.1)
Other3 60 (7.1) 51 (7.4) 9 (5.8)
Marital status 0.06
Single 373 (43.9) 315 (45.5) 58 (37.2)
Married or de facto 476 (56.1) 378 (54.6) 98 (62.8)
Highest level of education completed 0.001
Primary, secondary or high school 177 (20.9) 154 (22.3) 23 (14.7)
Diploma or certificate (TAFE) 205 (24.2) 179 (25.9) 26 (16.7)
University or post-graduate degree 464 (54.9) 357 (51.7) 107 (68.6)
Annual household income before tax 0.02
AUD $0 to 99,999 382 (51.6) 322 (53.8) 60 (42.6)
AUD ≥ $100,000 358 (48.4) 277 (46.2) 81 (57.5)
Not able to afford balanced meals for household 0.23
Never true 641 (75.5) 529 (76.3) 112 (71.8)
Sometimes or often true 208 (24.5) 164 (23.7) 44 (28.2)
Employment prior to the pandemic <0.0001
Unemployed 202 (23.8) 183 (26.4) 19 (12.2)
Full-time employment 419 (49.4) 310 (44.7) 109 (69.9)
Part-time or casual employment 228 (26.9) 200 (28.9) 28 (18.0)
Changes in employment since the pandemic 0.25
No change or change between part-time and full-time 781 (92.0) 641 (92.5) 140 (89.7)
Change from employed to unemployed 68 (8.0) 52 (7.5) 16 (10.3)
Number of children in the household 0.002
None 511 (60.3) 400 (57.8) 111 (71.2)
One or more 337 (39.7) 292 (42.2) 45 (28.9)
Health and health behaviours
Psychological distress 0.002
Low or moderate 487 (58.5) 415 (61.0) 72 (47.1)
High or very high 346 (41.5) 265 (39.0) 81 (52.9)
Common physical health condition, such as diabetes, hypertension, polycystic ovary syndrome 0.73
Yes 227 (26.7) 187 (27.0) 40 (25.6)
No 622 (73.3) 506 (73.0) 116 (74.4)
Body mass index4 0.05
Normal weight (<25 kg/m2) 362 (58.2) 278 (55.8) 84 (67.7)
Overweight (25–29.9 kg/m2) 136 (21.9) 113 (22.7) 23 (18.6)
Obesity (≥30 kg/m2) 124 (19.9) 107 (21.5) 17 (13.7)
Any alcohol consumption 0.01
No 191 (22.5) 168 (24.2) 23 (14.7)
Yes 658 (77.5) 525 (75.8) 133 (85.3)
≥ 30 minutes of moderate- or vigorous-intensity physical activity per day 0.51
Yes 269 (31.7) 223 (32.2) 46 (29.5)
No 580 (68.3) 470 (67.8) 110 (70.5)

ACT, Australian Capital Territory; NT, Northern Territory; SA, South Australia, TAS, Tasmania; WA, Western Australia.

1 Number of participants differs due to missing data.

2 p value from chi-square test.

3 Other cultural or ethnic groups include African, Middle Eastern, South American, Central American and Caribbean Islander.

4 Women with underweight (BMI <18.5 kg/m2) were included in the normal weight category due to low numbers (n = 30).