Table 3.
Mean, standard deviation of incidence of diseases before and during COVID-19, and their difference in the subgroup by age.
| Diseases | Before COVID-19 | During COVID-19 | p-Values of Difference | |||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | Variance | |
| Age 20–39 years old | ||||||
| Depressive disorder | 71,186.6 | 8426.6 | 98,224.07 | 8281.236 | <0.001 * | <0.001 † |
| Bipolar disorder | 16,655.5 | 1345.4 | 20,394.40 | 1039.450 | <0.001 * | <0.001 † |
| Primary insomnia | 23,920.1 | 1123.4 | 26,040.13 | 657.012 | <0.001 * | <0.001 † |
| Schizophrenia | 25,253.5 | 535.2 | 24,169.13 | 364.634 | <0.001 * | <0.001 † |
| Panic disorder | 21,229.2 | 1928.8 | 25,956.20 | 1309.550 | <0.001 * | <0.001 † |
| Hypochondriasis | 147.6 | 13.5 | 192.33 | 32.797 | <0.001 * | <0.001 † |
| Posttraumatic stress disorder | 1157.4 | 107.9 | 1538.40 | 158.457 | <0.001 * | <0.001 † |
| Anxiety disorder | 49,638.9 | 4329.4 | 61,145.00 | 3890.384 | <0.001 * | <0.001 † |
| Anorexia nervosa | 151.7 | 13.4 | 177.80 | 17.729 | <0.001 * | <0.001 † |
| Addephagia | 507.9 | 34.0 | 631.20 | 51.985 | <0.001 * | <0.001 † |
| Alcoholism | 2800.4 | 142.0 | 2944.40 | 124.962 | 0.003 * | 0.002 † |
| Nicotine dependency | 80.0 | 15.7 | 67.47 | 14.918 | 0.014 * | 0.017 † |
| Gambling addiction | 209.5 | 29.3 | 304.93 | 54.928 | <0.001 * | <0.001 † |
| Age 40–59 years old | ||||||
| Depressive disorder | 93,126.1 | 2946.4 | 98,709.6 | 3436.8 | <0.001 * | <0.001 † |
| Bipolar disorder | 17,747.2 | 650.9 | 18,579.3 | 403.8 | <0.001 * | <0.001 † |
| Primary insomnia | 53,514.6 | 2709.5 | 58,857.4 | 1673.9 | <0.001 * | <0.001 † |
| Schizophrenia | 39,003.7 | 913.6 | 37,193.2 | 574.2 | <0.001 * | <0.001 † |
| Panic disorder | 33,226.0 | 2009.9 | 37,970.7 | 1675.0 | <0.001 * | <0.001 † |
| Hypochondriasis | 286.6 | 16.8 | 374.6 | 55.5 | <0.001 * | <0.001 † |
| Posttraumatic stress disorder | 949.5 | 80.0 | 1072.3 | 78.5 | <0.001 * | <0.001 † |
| Anxiety disorder | 83,498.2 | 3552.9 | 90,802.9 | 3552.5 | <0.001 * | <0.001 † |
| Anorexia nervosa | 75.3 | 11.4 | 82.5 | 5.4 | 0.024 * | 0.029 † |
| Addephagia | 136.4 | 11.7 | 153.3 | 16.2 | 0.002 * | <0.001 † |
| Alcoholism | 9555.7 | 286.1 | 8812.7 | 284.2 | <0.001 * | <0.001 † |
| Nicotine dependency | 203.0 | 32.1 | 160.9 | 19.2 | <0.001 * | <0.001 † |
| Gambling addiction | 69.5 | 7.9 | 87.6 | 11.9 | <0.001 * | <0.001 † |
| Age 60+ years old | ||||||
| Depressive disorder | 128,307.4 | 3547.4 | 134,722.9 | 3962.8 | <0.001 * | <0.001 † |
| Bipolar disorder | 12,665.0 | 770.7 | 13,996.6 | 345.2 | <0.001 * | <0.001 † |
| Primary insomnia | 80,255.8 | 6311.4 | 93,393.3 | 5484.8 | <0.001 * | <0.001 † |
| Schizophrenia | 14,972.2 | 636.7 | 16,356.7 | 485.1 | <0.001 * | <0.001 † |
| Panic disorder | 14,176.7 | 975.5 | 17,413.7 | 1064.2 | <0.001 * | <0.001 † |
| Hypochondriasis | 270.5 | 16.0 | 328.9 | 36.1 | <0.001 * | <0.001 † |
| Posttraumatic stress disorder | 499.5 | 50.3 | 600.7 | 48.3 | <0.001 * | <0.001 † |
| Anxiety disorder | 81,921.5 | 3288.4 | 92,098.7 | 3965.8 | <0.001 * | <0.001 † |
| Anorexia nervosa | 377.9 | 83.8 | 468.9 | 41.1 | 0.002 * | <0.001 † |
| Addephagia | 46.2 | 6.0 | 47.6 | 9.0 | 0.569 | <0.001 † |
| Alcoholism | 6892.1 | 148.7 | 6731.9 | 173.4 | 0.007 * | 0.003 † |
| Nicotine dependency | 97.5 | 14.8 | 80.1 | 13.4 | 0.001 * | 0.001 † |
| Gambling addiction | 18.5 | 3.5 | 21.5 | 4.3 | 0.023 * | 0.020 † |
* Mann–Whitney U test, significance at <0.05. † Levene’s test in non-parametric data, significance at <0.05.