Table 3.
Participant characteristics | n (%) | Crude analyses, ORa (95% CI) | Adjusted analysesb, OR (95% CI) | |
Age group (years) | ||||
|
≤30 | 137 (7.9) | 1.00 | 1.00 |
|
31-35 | 213 (8.5) | 1.08 (0.87-1.36) | 1.11 (0.84-1.44) |
|
≥36 | 169 (9.8) | 1.26 (1.00-1.60) | 1.40 (1.05-1.88) |
University degree | ||||
|
Yes | 220 (6.1) | 1.00 | 1.00 |
|
No | 206 (9.2) | 1.55 (1.27-1.90) | 1.53 (1.23-1.90) |
Employment status | ||||
|
Employed | 363 (7.2) | 1.00 | 1.00 |
|
Unemployed | 156 (17.3) | 2.71 (2.21-3.32) | 0.99 (0.73-1.34) |
Gestational trimester | ||||
|
Third | 189 (6.0) | 1.00 | 1.00 |
|
Second | 134 (7.5) | 1.25 (1.00-1.58) | 1.27 (0.98-1.65) |
|
First | 170 (17.6) | 3.32 (2.65-4.15) | 3.01 (2.31-3.92) |
First pregnancy | ||||
|
Yes | 233 (7.3) | 1.00 | 1.00 |
|
No | 286 (10.3) | 1.47 (1.22-1.76) | 1.13 (0.90-1.43) |
Type of recruitment | ||||
|
Offline | 389 (8.0) | 1.00 | 1.00 |
|
Online | 107 (11.4) | 1.47 (1.17-1.84) | 1.11 (0.82-1.51) |
Region of residence | ||||
|
Piedmont Region | 236 (7.1) | 1.00 | 1.00 |
|
Tuscany Region | 170 (9.9) | 1.44 (1.17-1.77) | 1.06 (0.84-1.35) |
|
Other regions of North Italy | 49 (9.8) | 1.42 (1.03-1.97) | 1.14 (0.75-1.73) |
|
Other | 54 (14.2) | 2.17 (1.58-2.99) | 1.80 (1.21-2.66) |
Number of participations | ||||
|
1 | 387 (8.1) | 1.00 | 1.00 |
|
≥2 | 132 (11.2) | 1.44 (1.17-1.77) | 1.19 (0.91-1.57) |
aOR: odds ratio.
bModels adjusted for age, university degree, employment status, gestational trimester, first pregnancy, type of recruitment, region, and number of participations.