Table 2.
Characteristics of 300 mothers by center.
| Turin (n = 110) | Florence (n = 23) | Rome (n = 46) | SGR (n = 101) | Palermo (n = 20) | Total (n = 300) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) P10-P90 | Mean (SD) P10-P90 | Mean (SD) P10-P90 | Mean (SD) P10-P90 | Mean (SD) P10-P90 | Mean (SD) P10-P90 | P value | |||||||
| Age of mother (years) | 34 (3.67) | 33 (3.53) | 34 (4.31) | 32 (4.02) | 33 (5.40) | 33 (4.06) | 0.0436 | ||||||
| 29–39 | 29–38 | 28–40 | 26–37 | 25–39 | 28–38 | ||||||||
| Pre-pregnancy BMI (kg/m2) | 22.1 (2.55) | 21.1 (3.26) | 22.3 (3.55) | 23.0 (3.66) | 21.7 (2.82) | 22.3 (3.22) | 0.0728 | ||||||
| 19.1–25.1 | 18.4–26.6 | 18.9–27.9 | 18.9–27.9 | 18.4–25.7 | 18.8–26.5 | ||||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | χ2 | |
| PARITY, INCLUDING THE CURRENT INFANT | |||||||||||||
| 1 | 60 | 54.55 | 9 | 39.13 | 20 | 43.48 | 42 | 41.58 | 10 | 50.00 | 141 | 47.00 | 0.3968 |
| 2 | 40 | 36.36 | 12 | 52.17 | 21 | 45.65 | 41 | 40.59 | 5 | 25.00 | 119 | 39.67 | |
| ≥3 | 10 | 9.09 | 2 | 8.70 | 5 | 10.87 | 18 | 17.82 | 5 | 25.00 | 40 | 13.33 | |
| MOTHER'S PROFESSIONa | |||||||||||||
| Housewife, student, unemployed | 11 | 10.28 | 1 | 4.34 | 8 | 17.39 | 52 | 51.49 | 4 | 20.00 | 76 | 25.59 | < 0.0001 |
| Managers and intellectual professionals | 44 | 41.12 | 5 | 21.74 | 18 | 39.13 | 13 | 12.87 | 4 | 20.00 | 84 | 28.28 | |
| Technicians and clerical workers' | 37 | 34.58 | 12 | 52.18 | 17 | 36.96 | 21 | 20.79 | 11 | 55.00 | 98 | 33.00 | |
| Service and sale workers | 11 | 10.28 | 5 | 21.74 | 2 | 4.35 | 12 | 11.88 | 1 | 5.00 | 31 | 10.44 | |
| Agricultural, craft and trade workers, and machine operators | 4 | 3.14 | 0 | 0 | 1 | 2.17 | 3 | 2.97 | 0 | 0 | 8 | 2.69 | |
| SMOKING STATUS | |||||||||||||
| Never | 66 | 60.00 | 13 | 56.52 | 28 | 60.87 | 63 | 62.38 | 12 | 60.00 | 182 | 60.67 | 0.0596 |
| Ex-smokers | 25 | 22.73 | 9 | 39.13 | 16 | 34.78 | 16 | 15.84 | 7 | 35.00 | 73 | 24.33 | |
| Ex-smokers since pregnancy | 19 | 17.27 | 1 | 4.35 | 2 | 4.43 | 22 | 21.78 | 1 | 5.00 | 45 | 15.00 | |
| SMOKE-FREE HOUSEHOLDa | |||||||||||||
| No smoke | 89 | 80.91 | 23 | 100.00 | 37 | 80.43 | 101 | 100.00 | 18 | 94.74 | 268 | 89.63 | < 0.0001 |
| Yes smoke | 21 | 19.09 | 0 | 0.00 | 9 | 19.57 | 0 | 0.00 | 1 | 5.26 | 31 | 10.37 | |
| PHYSICAL LIFE/OCCUPATIONAL ACTIVITY | |||||||||||||
| Sedentary | 42 | 38.18 | 3 | 13.04 | 11 | 23.91 | 0 | 0 | 5 | 25.00 | 61 | 20.33 | < 0.0001 |
| Standing | 24 | 21.82 | 10 | 43.48 | 7 | 15.22 | 2 | 1.98 | 15 | 75.00 | 58 | 19.33 | |
| Medium or higher | 44 | 40.00 | 10 | 43.48 | 28 | 60.87 | 99 | 98.02 | 0 | 0 | 181 | 60.33 | |
| LEISURE TIME PHYSICAL ACTIVITY DURING BREASTFEEDINGa | |||||||||||||
| < 2 h/week | 100 | 92.59 | 4 | 17.39 | 44 | 97.78 | 101 | 100.00 | 18 | 90.00 | 267 | 89.90 | < 0.0001 |
| ≥2 h/week | 8 | 7.41 | 19 | 82.61 | 1 | 2.22 | 0 | 0 | 2 | 10.00 | 30 | 10.01 | |
Italy, 2012–2014.
a
The sum does not add up to the total because of some missing values.
BMI, body mass index; SD, Standard Deviation; SGR, San Giovanni Rotondo.