Table 3 *Multivariable-adjusted logistic regressions for three sleep outcomes according to daily intakes of individual antioxidant components

Vitamin A,mcg/day

Q1

Reference

Reference

Reference

Q2

0.77(0.58,1.03)

0.069

0.93(0.73,1.19)

0.497

0.82(0.63,1.06)

0.114

Q3

0.71(0.54,0.94)

0.023

0.92(0.70,1.23)

0.535

0.75(0.58,0.98)

0.036

Q4

0.69(0.50,0.96)

0.034

0.89(0.66,1.21)

0.402

0.72(0.52,0.99)

0.041

P for trend

0.029

0.450

0.036

Vitamin E,mg/day

Q1

Reference

Reference

Reference

Q2

1.02(0.76,1.38)

0.865

0.80(0.61,1.04)

0.088

0.97(0.75,1.26)

0.795

Q3

1.03(0.76,1.40)

0.825

0.79(0.62,1.01)

0.055

0.91(0.71,1.16)

0.378

Q4

1.08(0.81,1.42)

0.556

0.70(0.53,0.92)

0.018

0.86(0.68,1.09)

0.169

P for trend

0.562

0.012

0.122

Vitamin C,mg/day

Q1

Reference

Reference

Reference

Q2

0.85(0.62,1.17)

0.277

0.80(0.60,1.05)

0.096

0.86(0.62,1.19)

0.304

Q3

0.78(0.58,1.05)

0.088

0.78(0.60,1.02)

0.066

0.84(0.63,1.10)

0.172

Q4

0.75(0.57,0.97)

0.035

0.64(0.49,0.84)

0.006

0.85(0.65,1.10)

0.170

P for trend

0.020

0.020

0.119

ZinC,mg/day

Q1

Reference

Reference

Reference

Q2

0.95(0.71,1.27)

0.686

0.91(0.67,1.23)

0.479

0.92(0.74,1.22)

0.524

Q3

0.82(0.61,1.10)

0.160

0.92(0.70,1.21)

0.494

0.78(0.60,0.99)

0.047

Q4

0.87(0.61,1.24)

0.373

0.89(0.61,1.30)

0.485

0.80(0.69,1.3)

0.281

P for trend

0.244

0.520

0.300

Selenium,mcg/day

Q1

Reference

Reference

Reference

Q2

0.95(0.74,1.22)

0.641

0.98(0.71,1.34)

0.859

0.72(0.57,0.94)

0.023

Q3

0.95(0.65,1.37)

0.730

0.78(0.55,1.12)

0.147

0.75(0.60,0.95)

0.028

Q4

1.01(0.64,1.59)

0.963

0.96(0.56,1.64)

0.853

0.78(0.62,0.96)

0.034

P for trend

0.480

0.472

0.035

Carotenoids,mcg/day

Q1

Reference

Reference

Reference

Q2

0.91(0.72,1.15)

0.370

0.84(0.63,1.12)

0.196

0.87(0.73,1.04)

0.100

Q3

0.90(0.69,1.17)

0.386

0.84(0.67,1.05)

0.107

0.93(0.75,1.16)

0.463

Q4

0.81(0.65,0.98)

0.036

0.81(0.63,1.05)

0.101

0.77(0.60,0.98)

0.034

P for trend

0.036

0.102

0.042