Table 3 –
Differences Among the Sleep Disturbance Latent Classes at Enrollment in the Effect of Each of the Stressors on Life Over the Past Year
| Characteristica | Low Sleep Disturbance (1) 25.2% (n=336) |
High Sleep Disturbance (2) 50.8% (n=676) |
Very High Sleep Disturbance (3) 24.0% (n=319) |
Statistics |
|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | ||
| Interpersonal Violence, Abuse, and Neglect Stressors | ||||
| Family violence in childhood | 1.9 (1.1) | 1.9 (1.2) | 2.0 (1.1) | KW=1.21, p=.547 |
| Emotional abuse | 2.6 (1.5) | 2.4 (1.2) | 3.0 (1.4) | KW=8.09, p=.018 2 < 3 |
| Physical neglect | 2.7 (1.7) | 2.7 (1.3) | 3.0 (1.3) | KW=0.69, p=.708 |
| Sexual harassment | 1.5 (1.1) | 1.5 (1.0) | 1.5 (0.9) | KW=1.04, p=.595 |
| Physical abuse - <16 years | 1.9 (1.3) | 1.8 (1.3) | 2.2 (1.2) | KW=4.13, p=.127 |
| Physical abuse - ≥16 years | 1.8 (1.3) | 1.7 (1.1) | 2.2 (1.4) | KW=3.37, p=.185 |
| Forced to touch - <16 years | 1.6 (1.1) | 1.8 (1.2) | 2.6 (1.5) | KW=12.38, p=.002 1 and 2 < 3 |
| Forced to touch - ≥16 years | 1.2 (0.4) | 1.9 (1.2) | 2.2 (1.4) | KW=3.71, p=.157 |
| Forced sex - <16 years | 1.0 (0.0) | 1.8 (1.0) | 2.5 (1.6) | KW=3.15, p=.207 |
| Forced sex - ≥16 years | 1.6 (1.3) | 1.6 (1.0) | 2.0 (1.3) | KW=2.61, p=.271 |
| Other Stressors | ||||
| Been in a serious disaster | 1.2 (0.7) | 1.3 (0.8) | 1.5 (0.9) | KW=10.14, p=.006 1 and 2 < 3 |
| Seen serious accident | 1.4 (0.8) | 1.4 (0.8) | 1.7 (1.1) | KW=4.38, p=.112 |
| Had serious accident or injury | 1.5 (0.9) | 1.6 (1.1) | 1.8 (1.1) | KW=3.96, p=.138 |
| Jail (family member) | 1.7 (1.2) | 1.9 (1.4) | 2.0 (1.4) | KW=1.83, p=.400 |
| Jail (self) | 1.8 (1.3) | 1.7 (1.1) | 1.8 (1.4) | KW=0.25, p=.882 |
| Foster care or put up for adoption | 2.6 (1.7) | 1.9 (1.4) | 2.5 (1.4) | KW=0.97, p=.616 |
| Separated/divorced (parents) | 1.5 (0.9) | 1.7 (1.1) | 2.0 (1.3) | KW=4.93, p=.085 |
| Separated/divorced (self) | 1.7 (1.2) | 2.0 (1.3) | 2.5 (1.5) | KW=13.54, p=.001 1 and 2 < 3 |
| Serious money problems | 2.1 (1.6) | 2.5 (1.6) | 3.2 (1.7) | KW=13.09, p=.001 1 and 2 < 3 |
| Had serious physical or mental illness (not cancer) | 2.2 (1.3) | 2.4 (1.4) | 2.7 (1.4) | KW=5.26, p=.072 |
| Abortion or miscarriage | 1.4 (0.9) | 1.5 (0.9) | 1.9 (1.3) | KW=14.03, p<.001 1 and 2 < 3 |
| Separated from child | 1.0 (0.0) | 2.6 (1.4) | 3.4 (1.8) | KW=2.43, p=.298 |
| Care for child with handicap | 3.4 (1.5) | 3.1 (1.4) | 3.4 (1.3) | KW=0.40, p=.820 |
| Care for someone with severe physical or mental handicap | 2.1 (1.3) | 2.6 (1.4) | 2.9 (1.6) | KW=6.21, p=.045 1 < 3 |
| Death of someone close (sudden) | 1.9 (1.3) | 2.2 (1.3) | 2.4 (1.5) | KW=9.36, p=.009 1 < 3 |
| Death of someone close (not sudden) | 1.9 (1.2) | 2.2 (1.3) | 2.4 (1.4) | KW=20.42, p<.001 1 < 2 and 3 |
| Seen robbery/mugging | 1.4 (0.8) | 1.5 (1.0) | 1.7 (1.3) | KW=3.24, p=.198 |
| Been robbed/mugged | 1.6 (1.0) | 1.6 (1.0) | 1.8 (1.2) | KW=0.59, p=.743 |
Abbreviations: KW = Kruskal Wallis, SD = standard deviation
*
Range = 1 “not at all” to 5 “extremely”
a
These data are reported for those patients who reported the occurrence of the stressor (see Table 2)