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Table 3 Bivariate analysis of socio-demographic characteristics and level of anxiety based on the likelihood ratio test statistic (LR) and the corresponding p value

From: Erratic electricity supply (Dumsor) and anxiety disorders among university students in Ghana: a cross sectional study

  Level of anxiety among students n (%)   
Minimum anxiety (N = 152) Mild anxiety (N = 193) Moderate anxiety (N = 139) Severe anxiety (N = 145) LR p value
Socio-demographic factors
 Sex
  Male 73 (21.9) 114 (34.1) 70 (21.0) 77 (23.1)   
  Female 78 (26.7) 79 (27.1) 68 (23.3) 67 (23.0) 7.29 0.2950
  Age (mean ± SD) 2.26 ± 1.43 6.94 ± 1.41 11.97 ± 1.43 17.86 ± 2.12 1.20* 0.3078**
 Marital status
  Single 150 (24.3) 191 (30.9) 134 (21.7) 143 (23.14)   
  Married 2 (20.0) 2 (20.0) 4 (40.0) 2 (20.0) **** 0.5820****
 Religion
  Christianity 144 (24.4) 181 (30.6) 125 (21.2) 141 (23.9)   
  Islamic 7 (20.6) 11 (32.4) 12 (35.3) 4 (11.8) **** 0.2900****
  Traditional 1 (33.3) 1 (33.3) 1 (33.3) 0 (0.00)   
 Place of residence
  Accra 95 (23.5) 128 (31.6) 86 (21.2) 96 (23.7)   
  Others 33 (20.5) 52 (32.3) 38 (23.6) 38 (23.6) 0.76 0.8580
 College
  BAH 29 (27.1) 37 (34.6) 21 (19.6) 20 (18.7)   
  Education 2 (100) 0 (0.0) 0 (0.0) 0 (0.0)   
  Health sciences 13 (37.1) 10 (28.6) 8 (22.9) 4 (11.4) 14.37 0.109
  Humanities 107 (22.3) 143 (29.7) 110 (22.9) 121 (25.2)   
 Level of education
  100 27 (24.5) 37 (33.9) 27 (24.8) 18 (16.5)   
  200 59 (25.1) 76 (32.3) 43 (18.3) 57 (24.3)   
  300 28 (19.2) 43 (29.5) 35 (24.0) 40 (27.4) 14.07 0.296
  400 36 (27.1) 34 (25.6) 33 (24.8) 30 (22.6)   
  Postgraduate 0 (0.0) 2 (66.7) 1 (33.3) 0 (0.0)   
 Frequency of light off in a week
  1–4 times 125 (27.7) 150 (33.3) 97 (21.5) 79 (17.5)   
  More than four times 22 (13.8) 37 (23.1) 40 (25.0) 61 (38.1) 35.28 <0.0001
 Availability of a generator in a hall
  Yes 32 (17.2) 49 (26.3) 45 (24.2) 60 (32.3)   
  No 120 (27.2) 144 (32.6) 94 (21.3) 84 (19.0) 20.27 <0.002
  1. n (%) represent frequency and row percentages
  2. N represent the number of students that responded to that particular question
  3. LR is the likelihood ratio test statistic, SD standard deviation, BAH basic and applied health
  4. * represents estimate from one way Anova
  5. ** p value estimate based on Kruskal Wallis test
  6. **** represent fishers exact p value