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. 2021 Dec 24;45(4):675–685. doi: 10.1038/s41440-021-00832-w

Table 5.

Comparisons between two groups divided by 3 of the total stress score before and after the state of emergency.

Jun–Mar 2020 During the state of emergency
The total stress score <3 ≧3 <3 ≧3
n = 508 n = 166 p value by unpaired t test n = 508 n = 166 p value by ANCOVA
Age 66.7 ± 12.5 67.3 ± 12.1 0.59
Gender (Male) 318 (63%) 73 (44%) <0.001
Office SBP (mmHg) 137.5 ± 18.1 135.3 ± 16.1 0.16 138.7 ± 18.5 140.1 ± 19.4 0.04
Office DBP (mmHg) 78.4 ± 12.2 78.6 ± 11.7 0.88 79.1 ± 11.8 80.4 ± 13.1 0.13
Office MAP (mmHg) 98.1 ± 12.3 97.5 ± 11.4 0.57 99.9 ± 12.3 100.3 ± 13.4 0.048
Home SBP (mmHg) 127.9 ± 10.1 128.6 ± 11.0 0.48 126.3 ± 9.9 127.6 ± 11.3 0.18
Home DBP (mmHg) 76.1 ± 9.1 75.9 ± 8.7 0.85 75.1 ± 9.1 76.2 ± 9.6 0.01
Home MAP (mmHg) 93.3 ± 8.2 93.5 ± 7.9 0.88 92.2 ± 8.0 93.3 ± 9.1 0.02
BW (kg) 64.5 ± 12.4 64.3 ± 14.1 0.87 64.4 ± 12.5 64.4 ± 14.1 0.70
eGFR (mL/min/1.73 m2) 69.2 ± 18.0 66.1 ± 17.3 0.08 67.8 ± 18.0 65.7 ± 17.6 0.68
HbA1c(mmol/mol (%)) 47.7 ± 10.8 (6.5 ± 1.0) 47.6 ± 10.3 (6.5 ± 0.9) 0.92 48.0 ± 10.2 (6.5 ± 0.9) 47.9 ± 9.9 (6.5 ± 0.9) 0.89
The logarithmic value of ACR 2.46 ± 1.36 2.45 ± 1.32 0.95 2.55 ± 1.28 2.65 ± 1.34 0.12
Estimated salt intake (g/day) 9.1 ± 2.1 9.0 ± 2.0 0.70 8.9 ± 2.4 8.8 ± 2.5 0.69
Urine Na/K ratio 1.62 ± 0.86 1.56 ± 0.80 0.55 1.57 ± 1.11 1.63 ± 1.17 0.68
The total stress score <3 ≧3
n = 508 n = 166 p value by unpaired t test
The total stress score −0.5 ± 2.1 4.5 ± 1.5 <0.001
The frequency of the answers “much worsening” or “ a little worsening” p value by chi-square test
 Daily stress 210 (41%) 145 (87%) <0.001
 Dietary intake 44 (9%) 73 (44%) <0.001
 Salt intake 4 (1%) 38 (23%) <0.001
Frequency of dinner or lunch at home 7 (1%) 9 (5%) <0.001
 Amount of exercise 143 (29%) 123 (74%) <0.001
 Quality of sleep 39 (8%) 50 (30%) <0.001
 Amount of alcohol intake 12 (2%) 16 (10%) <0.001
 Adherence to taking medications 12 (2%) 5 (3%) 0.64
Feel fear for the relationship between COVID-19 and hypertension 259 (51%)a 157 (95%)a <0.001

Data shown are mean ± standard deviation, or numbers (%).

ANCOVA analysis of covariance, ACR urine albumin-to-creatinine ratio, BW body weight, COVID-19 coronavirus disease, DBP diastolic blood pressure, eGFR estimated glomerular filtration rate, HbA1c hemoglobin A1c, MAP mean arterial pressure.

aAnswers “Yes, moderately” or “Yes, strongly”.