Table 7 Correlation between the three indices (ISI, IAT, and PHQ9) within the total sample and each age group
From: Prevalence of insomnia in a sample of Internet addicts in different age groups in Abu Dhabi, UAE
Total sample | Insomnia Severity Index | Internet Addiction Test | ||
|---|---|---|---|---|
Internet Addiction Test | r P | 0.433 0.000 | ||
PHQ-9 | r P | 0.597 0.000 | 0.591 0.000 | |
Age | Insomnia Severity Index | Internet Addiction Test | ||
18–29 | Internet Addiction Test | r | 0.454 | |
P | 0.000 | |||
PHQ-9 | r | 0.600 | 0.533 | |
P | 0.000 | 0.000 | ||
Age | Insomnia Severity Index | Internet Addiction Test | ||
30–39 | Internet Addiction Test | r | 0.415 | |
P | 0.000 | |||
PHQ-9 | r | 0.603 | 0.574 | |
P | 0.000 | 0.000 | ||
Age | Insomnia Severity Index | Internet Addiction Test | ||
40–49 | Internet Addiction Test | r | 0.384 | |
P | 0.002 | |||
PHQ-9 | r | 0.517 | 0.569 | |
P | 0.000 | 0.000 | ||
Age | Insomnia Severity Index | Internet Addiction Test | ||
50 or more | Internet Addiction Test | r | 0.610 | |
P | 0.003 | |||
PHQ-9 | r | 0.735 | 0.717 | |
P | 0.000 | 0.000 |