Table 1 Characteristics of the students included in the study
From: Longitudinal impact of weight change on blood pressure in University students
Men (n = 13,061) | Women (n = 7868) | |||||
|---|---|---|---|---|---|---|
1st year | 4th year | p value | 1st year | 4th year | p value | |
Age, year | 19.4 ± 0.6 | 22.4 ± 0.6 | < 0.001 | 19.2 ± 0.5 | 22.2 ± 0.5 | < 0.001 |
Height, cm | 171.9 ± 5.7 | 172.4 ± 5.7 | < 0.001 | 158.9 ± 5.3 | 159.3 ± 5.3 | < 0.001 |
Weight, kg | 63.1 ± 9.2 | 64.3 ± 9.8 | < 0.001 | 50.4 ± 6.3 | 51.0 ± 6.5 | < 0.001 |
BMI, kg/m2 | 21.3 ± 2.8 | 21.6 ± 3.0 | < 0.001 | 19.9 ± 2.2 | 20.1 ± 2.2 | < 0.001 |
SBP, mmHg | 117.9 ± 12.3 | 118.2 ± 12.6 | < 0.001 | 103.9 ± 11.3 | 103.9 ± 11.3 | < 0.001 |
DBP, mmHg | 63.9 ± 8.0 | 65.7 ± 8.2 | < 0.001 | 59.3 ± 7.4 | 60.8 ± 7.6 | < 0.001 |
BMI category (JASSO-2022), n (%) | ||||||
Underweight | 1631 (12.5) | 1,465 (11.2) | < 0.001 | 1930 (24.5) | 1830 (23.3) | 0.02 |
Normal | 10,238 (78.4) | 10,136 (77.6) | 5756 (73.2) | 5827 (74.1) | ||
Obese | 1192 (9.1) | 1460 (11.2) | 182 (2.3) | 211 (2.7) | ||
BP category (JSH-2019), n (%) | ||||||
Normal BP | 7215 (55.2) | 7298 (55.9) | 0.66 | 7149 (90.9) | 6847 (87.0) | 0.32 |
High normal BP | 3343 (25.6) | 3188 (24.4) | 522 (6.6) | 752 (9.6) | ||
Elevated BP | 2202 (16.9) | 2140 (16.4) | 180 (2.3) | 248 (3.2) | ||
Grade I hypertension | 280 (2.1) | 385 (2.9) | 15 (0.2) | 18 (0.2) | ||
Grade II hypertension | 19 (0.1) | 47 (0.4) | 1 (0.0) | 3 (0.0) | ||
Grade III hypertension | 2 (0.0) | 3 (0.0) | 1 (0.0) | 0 (0.0) | ||
Isolated systolic hypertension | 282 (2.2) | 377 (2.9) | < 0.001 | 13 (0.2) | 12 (0.2) | 0.8 |
n (%) of 120/80 mmHg or higher | 5846 (44.8) | 5763 (44.1) | 0.22 | 719 (9.1) | 1021 (13.0) | < 0.001 |