Table 2.
Differences in the distribution of adolescent 8-isoprostane (pg/mL) across maternal and adolescent sociodemographic characteristics.
| Entire sample (N = 250) | Females (N = 132) | Males (N = 118) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Mean | SD | P | N | Mean | SD | P | N | Mean | SD | P | |
| Maternal characteristics | ||||||||||||
| Age at pregnancy (years) | ||||||||||||
| 15–24 | 98 | 523.7 | 188.4 | 0.24 | 48 | 500.5 | 151.3 | 0.79 | 50 | 546.1 | 217.4 | 0.19 |
| 25–34 | 114 | 492.4 | 172.7 | 59 | 499.3 | 167.1 | 55 | 484.9 | 179.7 | |||
| 35–44 | 30 | 468.9 | 140.8 | 20 | 473.8 | 152.2 | 10 | 459.1 | 121.9 | |||
| Education (years) | ||||||||||||
| <10 | 85 | 506.1 | 198.7 | 0.51 | 48 | 494.4 | 174.8 | 0.99 | 37 | 521.4 | 227.5 | 0.38 |
| 10–12 | 123 | 508.4 | 169.7 | 63 | 497.7 | 153.6 | 60 | 519.6 | 185.8 | |||
| >12 | 34 | 469.8 | 135.7 | 16 | 492.1 | 128.6 | 18 | 450.1 | 142.3 | |||
| Trimester one BMI | ||||||||||||
| <18 | 1 | 444.7 | . | 0.99 | 0 | . | . | 0.94 | 1 | 444.7 | . | 0.98 |
| 18–24.9 | 100 | 503.6 | 198.4 | 47 | 496.3 | 159.2 | 53 | 510.1 | 229.0 | |||
| 25–29.9 | 81 | 509.4 | 170.5 | 48 | 506.1 | 174.8 | 33 | 514.3 | 166.6 | |||
| 30–34.9 | 25 | 489.7 | 135.0 | 15 | 490.3 | 125.0 | 10 | 488.9 | 155.7 | |||
| >35 | 8 | 472.5 | 166.6 | 3 | 501.1 | 200.8 | 5 | 455.4 | 165.6 | |||
| Gestational weight gain (kg) | ||||||||||||
| <6 | 48 | 495.4 | 159.0 | 0.53 | 28 | 486.7 | 125.5 | 0.68 | 20 | 507.7 | 199.6 | 0.18 |
| 6–8.5 | 63 | 517.1 | 180.9 | 32 | 479.9 | 157.4 | 31 | 555.6 | 197.6 | |||
| >8.5–11 | 53 | 524.5 | 219.2 | 27 | 528.8 | 203.0 | 26 | 520.1 | 239.0 | |||
| >11 | 51 | 469.4 | 145.5 | 26 | 508.4 | 154.7 | 25 | 428.8 | 125.8 | |||
| Adolescent characteristics | ||||||||||||
| Age (years) | ||||||||||||
| 8–10 | 168 | 501.3 | 181.4 | 0.31 | 90 | 498.6 | 157.9 | 0.28 | 78 | 504.4 | 206.2 | 0.79 |
| 11–12 | 53 | 523.8 | 167.9 | 25 | 517.1 | 165.5 | 28 | 529.7 | 172.9 | |||
| 13–14 | 21 | 454.5 | 149.0 | 12 | 429.7 | 137.3 | 9 | 487.5 | 165.7 | |||
| Pubertal status1 | ||||||||||||
| Peri-pubertal | 141 | 503.2 | 191.9 | 0.91 | 84 | 500.3 | 165.5 | 0.65 | 57 | 507.4 | 226.7 | 0.92 |
| Pubertal | 100 | 500.7 | 152.4 | 43 | 486.8 | 143.7 | 58 | 511.1 | 159.0 | |||
| Serum Leptin (ng/mL) | ||||||||||||
| <5 | 59 | 483.7 | 169.5 | 0.28 | 17 | 475.7 | 183.2 | 0.41 | 42 | 486.9 | 165.8 | 0.64 |
| 5–8 | 64 | 534.8 | 200.9 | 30 | 524.1 | 144.3 | 34 | 544.3 | 242.0 | |||
| >8–15 | 60 | 480.5 | 166.1 | 39 | 466.9 | 143.7 | 21 | 505.6 | 202.8 | |||
| >15 | 59 | 507.4 | 162.1 | 41 | 510.7 | 169.4 | 18 | 499.7 | 148.2 | |||
| Physical Activity (METS)2 | ||||||||||||
| <17 | 60 | 518.8 | 167.2 | 0.74 | 34 | 548.6 | 176.4 | 0.15 | 26 | 479.8 | 148.6 | 0.73 |
| 17–26 | 60 | 494.1 | 198.9 | 36 | 482.5 | 161.4 | 24 | 511.6 | 247.5 | |||
| >26–40 | 57 | 510.2 | 181.9 | 26 | 476.4 | 131.4 | 31 | 538.7 | 213.4 | |||
| >40 | 65 | 487.1 | 158.3 | 31 | 469.3 | 146.5 | 34 | 503.3 | 168.9 | |||
ABR: BMI, body mass index;
1
Sex-specific peri-pubertal (<1) and pubertal (>1) status were determined by physician-assessed Tanner staging for males (genital or pubic hair development) and females (breast or pubic hair development;
2
METs are metabolic equivalent.