Table 1.
Sociodemographic characteristics by lifetime history of NSSI (unweighted n = 7,192).
| Sociodemographic Characteristics | Lifetime history of NSSI % (SE) | No lifetime history of NSSI % (SE) |
|---|---|---|
| Sex | ||
| Female | 52.92 (3.38) | 51.51 (0.69) |
| Male | 47.08 (3.38) | 48.49 (0.69) |
| Race/Ethnicity | ||
| Racial/ethnic minority | 7.17 (1.79) | 9.57 (0.60) |
| White | 92.83 (1.79) | 90.43 (0.60) |
| Age (years) | ||
| 18–29 | 41.56 (3.34) | 17.90 (0.63) |
| 30–39 | 23.37 (2.74) | 18.72 (0.52) |
| 40–49 | 22.83 (2.50) | 18.74 (0.52) |
| ≥50 | 12.24 (1.85) | 44.65 (0.69) |
| Education | ||
| Bachelor’s degree | 21.27 (2.56) | 21.33 (0.61) |
| Teaching, Higher National Diploma, or nursing | 7.05 (1.60) | 7.65 (0.33) |
| A Level | 17.44 (2.47) | 15.39 (0.51) |
| General certificate or secondary education | 28.35 (2.67) | 25.63 (0.61) |
| Other qualifications | 3.12 (1.01) | 3.50 (0.24) |
| No qualifications | 22.77 (2.29) | 26.49 (0.62) |
| Lived with biological parents throughout childhood | ||
| None | 5.12 (1.33) | 2.93 (0.22) |
| One | 28.49 (2.76) | 14.58 (0.51) |
| Both | 66.39 (2.88) | 82.49 (0.54) |
| Marital status | ||
| Never married | 37.63 (3.17) | 18.99 (0.63) |
| Widowed, separated, or divorced | 12.05 (1.59) | 15.05 (0.39) |
| Married or cohabiting | 50.32 (3.09) | 65.96 (0.64) |
| Household incomea | ||
| Top quintile (≥ £40,384) | 14.27 (2.28) | 22.92 (0.73) |
| 2nd quintile (£24,700 – £40,383) | 18.19 (2.75) | 21.04 (0.57) |
| 3rd quintile (£16,195 – £24,699) | 19.61 (2.75) | 20.32 (0.57) |
| 4th quintile (£10,575 – £16,194) | 14.82 (2.14) | 17.75 (0.57) |
| Bottom quintile (≤ £10,574) | 33.11 (3.08) | 17.97 (0.67) |
| Overall Index of Multiple Deprivation | ||
| Top quintile | 15.47 (2.43) | 19.28 (1.00) |
| 2nd quintile | 13.85 (2.29) | 22.70 (1.00) |
| 3rd quintile | 19.05 (2.66) | 20.12 (0.90) |
| 4th quintile | 20.40 (2.76) | 18.81 (0.86) |
| Bottom quintile | 31.22 (3.15) | 19.09 (0.98) |
Note.
a
Family income was weighted using McClements equivalence scores.