Research Article
The Relationship between Body Mass Index, Obesity, and LINE-1 Methylation: A Cross-Sectional Study on Women from Southern Italy
Table 1
Characteristics of the study population across categories of the body mass index.
| | Characteristics | Underweight () | Normal weight () | Overweight () | Obese () | value |
| | Age, years | 30 (11) | 39 (18) | 46 (22) | 44 (21) | <0.001 | | Educational level | | | | | | | Low | 19.3% | 30.4% | 46.2% | 53.9% | <0.001 | | Medium | 49.1% | 46.9% | 44.0% | 34.8% | | High | 31.6% | 22.7% | 9.9% | 11.2% | | Unemployed | 45.6% | 51.3% | 59.9% | 74.2% | <0.001 | | Living in couple | 18.6% | 46.1% | 68.3% | 75.6% | <0.001 | | Having children | 36.8% | 70.5% | 80.9% | 78.9% | 0.004 | | Menopause | 0.0% | 15.2% | 21.8% | 15.8% | 0.023 | | Smoking status | | | | | | | Never smokers | 47.7% | 54.0% | 60.4% | 61.8% | <0.001 | | Former smokers | 7.0% | 7.9% | 15.9% | 13.5% | | Current smokers | 45.6% | 38.1% | 23.6% | 24.7% | | Total energy intake, kcal | 2014 (705) | 1923 (650) | 1935 (708) | 1950 (778) | 0.335 | | Users of supplements | 11.6% | 15.7% | 16.3% | 15.6% | 0.905 |
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Results are reported as median (IQR) or percentage (%) and compared using the Kruskal-Wallis or the Chi-squared tests.
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