Table 5 Multiple logistic regression analysis for the factors associated with nighttime dipping less than 10 percent in hypertensive patients

Age (> 54.5 years)

1.01 (0.99–1.02)

0.127

Female

0.72 (0.56–0.94)

0.014

Regular physical activity

0.99 (0.78–1.25)

0.919

Body mass index (≥ 25 kg/m2)

0.90 (0.72–1.13)

0.379

Current smoking

0.81 (0.58–1.12)

0.200

Alcohol drinking

0.78 (0.60–1.01)

0.057

Taking antihypertensive drug

0.79 (0.62–1.01)

0.064

Medical history of diabetes mellitus

1.19 (0.89–1.59)

0.235

Medical history of dyslipidemia

0.86 (0.67–1.09)

0.216

Medical history of cardiovascular disease^a

1.19 (0.85–1.67)

0.318

eGFR (< 60 ml/min/1.73m2)

1.55 (1.06–2.30)

0.026

24-h mean BP (≥ 130/80 mmHg)

1.76 (1.33–2.33)

< 0.001

Office BP (≥ 140/90 mmHg)

0.56 (0.41–0.75)

< 0.001

Sleep duration (> 420 min)

1.00 (0.99–1.00)

0.297

Sleep quality (3 or 4 point)

0.84 (0.75–0.94)

0.002