Table 1 Baseline characteristics of participants
From: Eating behavior traits and sleep as determinants of weight loss in overweight and obese adults
Variables | All subjects | Poor sleep quality (PSQI score ⩾5) | Good sleep quality (PSQI score <5) | Short sleep (<7 h per night) | Recommended sleep (⩾7 h per night) |
|---|---|---|---|---|---|
Mean±s.d. | Mean±s.d. | Mean±s.d. | Mean±s.d. | Mean±s.d. | |
Age (years) | 38.8±8.6 | 40.3±8.8 | 37.8±8.3 | 42.1±8.0 | 37.6±8.6** |
Sex (n) | |||||
Men | 83 | 38 | 45 | 34 | 49 |
Women | 67 | 24 | 43 | 16 | 51 |
Body weight (kg) | 94.4±15.4 | 94.2±13.0 | 94.9±16.8 | 94.6±11.1 | 94.2±16.5 |
BMI (kg m−2) | 33.3±3.5 | 33.2±3.8 | 33.6±3.4 | 33.3±3.3 | 33.4±3.6 |
Waist circumference (cm) | 106.0±11.1 | 106.3±10.2 | 106.2±11.8 | 106.4±8.8 | 105.8±11.8 |
Fat mass (kg) | 36.6±8.8 | 36.34±9.5 | 37.3±8.6 | 35.9±8.8 | 37.0±8.8 |
Delta weight (kg) | −3.7±3.14 | −4.5±2.8 | −3.2±3.3* | −4.0±2.3 | −3.6±3.4 |
Delta fat mass (kg) | −2.8±2.8 | −3.6±2.2 | −2.4±3.0* | −3.1±2.3 | −2.7±2.9 |
Delta waist circumference (cm) | −5.0±3.5 | −5.6±3.6 | −4.7±3.4 | −4.8±2.8 | −5.0±3.7 |
Sleep duration (h) | 7.2±0.9 | 6.7±0.9 | 7.6±0.7** | 6.0±0.5 | 7.6±0.6** |
PSQI (total score) | 4.6±2.6 | 7.1±2.2 | 2.9±1.0** | 6.8±2.9 | 3.9±2.1** |
TFEQ | |||||
Cognitive dietary restraint (0–21) | 7.4±3.8 | 7.0±3.8 | 7.5±3.8 | 6.9±3.7 | 7.5±3.9 |
Flexible control (0–7) | 2.1±1.6 | 1.7±1.6 | 2.2±1.5 | 1.8±1.5 | 2.2±1.6 |
Rigid control (0–7) | 2.4±1.7 | 2.6±1.5 | 2.3±1.7 | 2.6±1.7 | 2.4±1.7 |
Strategic dieting behavior (0–4) | 0.6±1.0 | 0.4±0.9 | 0.7±1.0 | 0.4±0.8 | 0.7±1.0 |
Attitude to self-regulation (0–5) | 2.5±1.3 | 2.7±1.3 | 2.5±1.3 | 2.6±1.2 | 2.6±1.3 |
Avoidance of fattening foods (0–4) | 2.0±1.2 | 1.8±1.2 | 2.1±1.2 | 1.8±1.1 | 2.0±1.2 |
Disinhibition (0–16) | 8.4±3.1 | 8.9±2.9 | 8.1±3.2 | 8.6±2.8 | 8.3±3.1 |
Habitual susceptibility (0–5) | 1.6±1.4 | 1.6±1.3 | 1.6±1.5 | 1.4±1.2 | 1.6±1.5 |
Emotional susceptibility (0–3) | 1.7±1.2 | 1.9±1.2 | 1.6±1.3 | 1.9±1.2 | 1.7±1.2 |
Situational susceptibility (0–5) | 3.4±1.3 | 3.5±1.2 | 3.3±1.3 | 3.4±1.1 | 3.3±1.3 |
Susceptibility to hunger (0–14) | 6.1±3.4 | 6.7±3.2 | 5.7±3.4 | 5.7±3.1 | 6.2±3.4 |
Internal locus of hunger (0–6) | 2.2±1.7 | 2.4±1.6 | 2.1±1.8 | 1.9±1.6 | 2.3±1.7 |
External locus of hunger (0–6) | 2.8±1.6 | 3.1±1.7 | 2.6±1.6 | 2.7±1.6 | 2.8±1.7 |
Energy intake (kcal per day) | 2524±584 | 2535±536 | 2512±586 | 2631±587 | 2478±564 |
