Table 3.
Weighted prevalence of PHQ-9 detected depression in the KNHANES 2016, 2018 sample (n=11,679) and in the KNHANES 2020 sample (n=5,349) in Korea
| Variables | Total |
Men |
Women |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2016, 2018 (n=11,679) | 2020 (n=5,349) | Difference (95% CI) | 2016, 2018 (n=5,056) | 2020 (n=2,417) | Difference (95% CI) | 2016, 2018 (n=6,623) | 2020 (n=2,932) | Difference (95% CI) | ||
| Adults ≥19 yr | 4.9 (4.4, 5.4) | 5.3 (4.5, 6.1) | 0.4 (-0.5, 1.3) | 3.2 (2.6, 3.8) | 4.4 (3.4, 5.4) | 1.2 (0.0, 2.3)* | 6.6 (5.8, 7.4) | 6.2 (5.2, 7.3) | -0.3 (-1.7, 1.0) | |
| Age (yr) | ||||||||||
| 19-29 | 6.0 (4.5, 7.5) | 8.3 (6.2, 10.4) | 2.4 (-0.2, 4.9) | 3.2 (1.6, 4.8) | 5.6 (3.0, 8.2) | 2.4 (-0.6, 5.5) | 9.1 (6. 4, 11.8) | 11.3 (7.7, 15.0) | 2.3 (-2.3, 6.8) | |
| 30-39 | 4.8 (3.7, 6.0) | 6.8 (4.6, 9.1) | 2.0 (-0.4, 4.5) | 3.6 (2.4, 4.9) | 6.5 (3.8, 9.2) | 3.0 (0.0, 6.0)* | 6.1 (4.4, 7.9) | 7.2 (4.0, 10.3) | 1.0 (-2.6, 4.6) | |
| 40-49 | 3.5 (2.6, 4.4) | 4.9 (3.1, 6.6) | 1.4 (-0.6, 3.3) | 3.2 (2.0, 4.4) | 5.5 (3.0, 8.0) | 2.3 (-0.5, 5.1) | 3.8 (2.6, 4.9) | 4.2 (2.1, 6.3) | 0.4 (-2.0, 2.8) | |
| 50-59 | 4.1 (3.1, 5.0) | 2.4 (1.4, 3.5) | -1.6 (-3.1, 0.2) | 2.7 (1.5, 3.9) | 1.9 (0.5, 3.3) | -0.8 (-2.6, 1.1) | 5.4 (4.0, 6.8) | 3 (1.4, 4.5) | -2.4 (-4.5, -0.3) | |
| 60-69 | 5.4 (4.2, 6.5) | 4.3 (2.9, 5.6) | -1.0 (-2.7, 0.7) | 3.0 (1.9, 4.2) | 3.1 (1.4, 4.7) | 0.0 (-2.0, 2.1) | 7.6 (5.7, 9.5) | 5.4 (3.6, 7.2) | -2.0 (-4.5, 0.6) | |
| ≥70 | 7.0 (5.7, 8.3) | 5.3 (3.6, 7.1) | -1.7 (-3.9, 0.5) | 3.8 (2.5, 5.1) | 2.4 (0.8, 4.0) | -1.4 (-3.5, 0.6) | 9.1 (7.2, 11.0) | 7.5 (4.9, 10.2) | -1.6 (-4.9, 1.7) | |
| Employment status | ||||||||||
| Employer | 3.4 (2.5, 4.3) | 3.2 (1.7, 4.7) | -0.2 (-1.9, 1.6) | 2.2 (1.3, 3.1) | 1.8 (0.5, 3.1) | -0.4 (-2.0, 1.2) | 6.2 (4.1, 8.2) | 6.1 (2.8, 9.5) | -0.1 (-4.0, 3.9) | |
| Standard worker | 1.8 (1.2, 2.4) | 3.4 (2.3, 4.6) | 1.6 (0.3, 2.9)* | 1.1 (0.6, 1.7) | 3.5 (2.0, 5.1) | 2.4 (0.8, 4.0)* | 3.4 (2.0, 4.7) | 3.2 (1.6, 4.8) | -0.2 (-2.3, 2.0) | |
| Non-standard worker | 4.3 (3.3, 5.2) | 3.9 (2.6, 5.3) | -0.3 (-2.0, 1.3) | 3.1 (1.9, 4.3) | 4.1 (2.2, 6.1) | 1.1 (-1.2, 3.3) | 5.2 (3.9, 6.5) | 3.7 (1.7, 5.8) | -1.4 (-3.9, 1.0) | |
| Unemployed | 7.9 (6.8, 8.9) | 8.1 (6.6, 9.6) | 0.3 (-1.6, 2.1) | 6.8 (5.1, 8.6) | 7.5 (4.9, 10.0) | 0.7 (-2.4, 3.8) | 8.4 (7.1, 9.6) | 8.5 (6.6, 10.3) | 0.1 (-2.1, 2.3) | |
| Household income | ||||||||||
| 1st quintile (lowest) | 11.3 (9.4, 13.1) | 10.7 (7.5, 13.9) | -0.5 (-4.1, 3.2) | 9.8 (6.9, 12.6) | 10.5 (5.1, 15.8) | 0.9 (-5.2, 6.9) | 12.4 (10.1, 14.7) | 10.9 (7.3, 14.6) | -1.5 (-5.8, 2.8) | |
| 2nd quintile | 5.5 (4.4, 6.5) | 5.1 (3.3, 7.0) | -0.3 (-2.4, 1.8) | 3.2 (1.9, 4.5) | 4.3 (1.9, 6.6) | 1.1 (-1.6, 3.8) | 7.5 (5.8, 9.2) | 5.9 (3.5, 8.3) | -1.6 (-4.5, 1.4) | |
| 3rd quintile | 4.8 (3.7, 5.8) | 6 (4.5, 7.5) | 1.2 (-0.6, 3.0) | 2.6 (1.5, 3.7) | 4.3 (2.3, 6.3) | 1.6 (-0.6, 3.9) | 6.9 (5.2, 8.6) | 7.6 (5.3, 10.0) | 0.7 (-2.2, 3.6) | |
| 4th quintile | 3.1 (2.3, 3.8) | 5.3 (4.0, 6.6) | 2.2 (0.7, 3.7)* | 1.6 (0.6, 2.5) | 4.5 (2.4, 6.5) | 2.9 (0.6, 5.1)* | 4.7 (3.5, 5.9) | 6.1 (4.2, 8.1) | 1.4 (-0.8, 3.7) | |
| 5th quintile (highest) | 2.4 (1.6, 3.1) | 2.8 (1.8, 3.9) | 0.5 (-0.8, 1.8) | 1.9 (1.0, 2.8) | 2.5 (0.9, 4.1) | 0.6 (-1.2, 2.4) | 2.9 (1.7, 4.1) | 3.2 (1.6, 4.8) | 0.4 (-1.6, 2.3) | |
Values are presented as weighted % (95% CI).
PHQ-9, Patient Health Questionnaire-9; KNHANES, Korea National Health and Nutrition Examination Survey; CI, confidence interval.
*
p<0.05.