Characteristics of study population by urinary 1-OHP quartile
| 1-OHP metabolite (µg/g Cr) (n=502) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Q1(0.0011–0.075) | Q2(0.075–0.124) | Q3(0.124–0.203) | Q4(0.204–4.461) | p Trend | |||||
| Number of participants (n (%)) | |||||||||
| All | 125 | 126 | 126 | 125 | |||||
| Male | 40 | (32.0) | 37 | (29.4) | 27 | (21.4) | 28 | (22.4) | |
| Female | 85 | (68.0) | 89 | (70.6) | 99 | (78.6) | 97 | (77.6) | |
| Glucose (mmol/L) | |||||||||
| All | 5.27 | (±1.03) | 5.37 | (±1.06) | 5.19 | (±0.71) | 5.54 | (±1.60) | 0.183 |
| Male | 5.32 | (±1.13) | 5.59 | (±1.25) | 5.10 | (±0.64) | 5.54 | (±1.39) | 0.842 |
| Female | 5.25 | (±0.98) | 5.28 | (±0.96) | 5.22 | (±0.73) | 5.54 | (±1.67) | 0.131 |
| Insulin (µU/mL) | |||||||||
| All | 6.58 | (±4.97) | 6.61 | (±5.04) | 7.11 | (±5.97) | 7.59 | (±7.71) | 0.143 |
| Male | 6.36 | (±5.19) | 6.22 | (±4.59) | 6.00 | (±4.79) | 5.50 | (±3.07) | 0.436 |
| Female | 6.68 | (±4.88) | 6.78 | (±5.24) | 7.41 | (±6.24) | 8.19 | (±8.51) | 0.084 |
| HOMA-IR (score)* | |||||||||
| All | 1.60 | (±1.42) | 1.61 | (±1.28) | 1.71 | (±1.62) | 1.98 | (±2.36) | 0.068 |
| Male | 1.57 | (±1.49) | 1.57 | (±1.25) | 1.45 | (±1.38) | 1.43 | (±1.10) | 0.601 |
| Female | 1.61 | (±1.40) | 1.62 | (±1.30) | 1.79 | (±1.68) | 2.14 | (±2.60) | 0.039 |
*HOMA index: fasting insulin (µU/mL) × fasting glucose (mmol/L)/22.5.
1-OHP, 1-hydroxypyrene; Cr, creatinine; HOMA, homoeostatic model assessment; IR, insulin resistance.