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. 2021 Jan 15;18(2):711. doi: 10.3390/ijerph18020711

Table 2.

Results of study participants Nomophobia Questionnaire (NMP-Q), Insomnia Severity Index (ISI), and Yale Food Addiction Scale (YFAS).

Variable * All Participants, n = 654 Male, n = 304 Female, n = 350 X2 or t Statistic p-Value **
Nomophobia Questionnaire (NMP-Q)
No nomophobia Nil (0%) Nil (0%) Nil (0%) X2 (df = 2) = 0.9 0.7
Mild nomophobia 43 (6.6%) 20 (6.6%) 23 (6.6%)
Moderate nomophobia 478 (73.1%) 227 (74.7%) 251 (71.7%)
Severe nomophobia 133 (20.3%) 57 (18.8%) 76 (21.7%)
Yale Food Addiction Scale (YFAS)
No diagnosis X2 (df = 1) = 0.9 0.4
Diagnosis met 530 (81.0%) 251 (82.6) 279 (79.7%)
124 (19.0%) 53 (17.4%) 71 (20.3%)
Insomnia Severity Index (ISI)
No clinical insomnia 422 (64.5%) 211 (69.4%) 211 (60.3%) X2 (df = 3) = 6.1 0.1
Subthreshold insomnia 140 (21.4%) 57 (18.8%) 83 (23.7%)
Moderate insomnia 83 (12.7%) 33 (10.9%) 50 (14.3%)
Severe insomnia 9 (1.4%) 3 (1.0%) 6 (1.7%)
Mean Nomophobia Questionnaire (NMP-Q) 77.0 ± 17.6 76.3 ± 17.1 77.6 ± 18.1 t (df = 652) = 0.9 0.3
Mean symptoms Yale Food Addiction Scale (YFAS) 1.9 ± 0.8 1.9 ± 0.7 1.9 ± 0.8 t (df = 652) = 0.3 0.8
Mean Insomnia Severity Index (ISI) 8.2 ± 4.1 7.9 ± 3.9 8.4 ± 4.3 t (df = 652) = 1.7 0.1

* Frequency count and (%) or Mean ± SD; ** Independent samples t-test or Pearson’s Chi.