From: Compliance with national recommendations for exercise during early pregnancy in a Danish cohort
Met Danish recommendation | ||||
---|---|---|---|---|
≥3.5 hours/week | ||||
Yes | No | Crude OR, (95 % CI) | Adjusted* OR, 95 % CI | |
Age (years) | ||||
<25 | 107 (27.2) | 287 (72.8) | 0.57 (0.45-0.72) | |
25-29 | 962 (41.1) | 1380 (58.9) | 1.062 (0.95-1.19) | |
30-34 | 1252 (39.6) | 1908 (60.4) | Ref. | |
35-39 | 584 (35.4) | 1066 (64.6) | 0.84 (0.74-0.95) | |
≥40 | 107 (47.3) | 119 (52.7) | 0.67 (0.53-0.85) | |
Parity | ||||
Nulliparous | 1993 (42.3) | 2724 (57.7) | Ref. | Ref. |
Multiparous | 1016 (32.2) | 2141 (67.8) | 0.65 (0.59-0.71) | 0.73 (0.65-0.82) |
Previous miscarriage | ||||
No | 2331 (39.7) | 3540 (60.3) | Ref. | Ref. |
Yes | 688 (33.7) | 1356 (66.3) | 0.77 (0.69-0.86) | 0.84 (0.74-0.96) |
Degree of pregnancy planning | _ | |||
Very planned | 1353 (38.6) | 2153 (61.4) | Ref. | |
Rather planned | 897 (42.0) | 1238 (58.0) | 1.15 (1.03-1.29) | |
Neither planned or unplanned | 437 (34.4) | 833 (65.6) | 0.84 (0.73-0.96) | |
Rather unplanned | 116 (32.8) | 238 (67.2) | 0.78 (0.62-0.98) | |
Very unplanned | 95 (30.4) | 218 (69.6) | 0.69 (0.54-0.89) | |
Method of conception | ||||
Spontaneous | 2563 (38.5) | 4093 (61.5) | Ref. | Ref. |
Assisted reproductive technology | 319 (35.7) | 575 (64.3) | 0.89 (0.77-1.03) | 0.76 (0.64-0.91) |
Smoking before pregnancy | ||||
Yes | 217 (28.6) | 541 (71.4) | 0.61 (0.52-0.72) | 0.78 (0.63-0.95) |
No | 2658 (39.6) | 4054 (60.4) | Ref. | Ref. |
Physical exercise before pregnancy | ||||
Yes | 2658 (48.8) | 2784 (51.2) | Ref. | Ref. |
No | 217 (9.3) | 2112 (90.7) | 0.06 | 0.06 (0.05-0.08) |
Body mass index (kg/m2) | ||||
<18.5 | 153 (37.4) | 256 (62.6) | 0.87 (0.71-1.07) | 1.00 (0.77-1.28) |
18.5-24.9 | 2289 (40.8) | 3321 (59.2) | Ref. | Ref. |
25-29.9 | 289 (30.7) | 653 (69.3) | 0.64 (0.55-0.75) | 0.77 (0.65-0.92) |
≥30 | 98 (30.1) | 228 (69.9) | 0.62 (0.49-0.80) | 1.13 (0.83-1.52) |
Disorders | _ | |||
Chronic disorders | 337 (35.5) | 611 (64.5) | 0.85 (0.74-0.98) | |
Mental disorders | 59 (31.2) | 130 (68.8) | 0.70 (0.51-0.95) | |
None | 2256 (39.4) | 3469 (60.6) | Ref. | |
Other disorders | 196 (35.1) | 362 (64.9) | 0.83 (0.69-1.00) | |
Reads and understands Danish language | ||||
Yes | 2925 (39.0) | 4580 (61.0) | Ref. | Ref. |
No | 72 (20.6) | 277 (79.4) | 0.41 (0.31-0.53) | 0.51 (0.34-0.71) |
Cohabiting | _ | |||
Yes | 2817 (38.9) | 4425 (61.1) | Ref. | |
No | 186 (31.5) | 405 (68.5) | 0.72 (0.60-0.86) | |
Education level | ||||
Advanced degree | 1624 (45.6) | 1937 (54.4) | Ref. | Ref. |
3-4 years higher education | 804 (35.5) | 1463 (64.5) | 0.66 (0.59-0.73) | 0.64 (0.43-0.87) |
1-2 years higher education | 122 (23.9) | 389 (76.1) | 0.37 (0.30-0.46) | 0.58 (0.45-0.74) |
Skilled worker | 64 (25.5) | 187 (74.5) | 0.41 (0.31-0.55) | 0.50 (0.39-0.65) |
No education | 137 (26.1) | 387 (73.9) | 0.42 (0.34-0.52) | 0.69 (0.61-0.79) |
Occupation | _ | |||
Employed | 2118 (40.0) | 3179 (60.0) | Ref. | |
Unemployed | 156 (33.3) | 313 (66.7) | 0.75 (0.61-0.91) | |
Student | 456 (38.6) | 726 (61.4) | 0.94 (0.83-1.07) | |
Other | 55 (20.0) | 220 (80.0) | 0.38 (0.28-0.51) |