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Table 1 Comparison of the number in each diagnosis category with different demographic characteristics and year—relationships between the number with each diagnosis and selected independent variables (number in each group: age, sex, residence within Freetown vs the rest, residence within districts with high Ebola endemicity vs the rest, and year of first presentation 2015 vs 2016) using bivariate negative binomial regressions *p < 0.05

From: The burden of mental disorder in Sierra Leone: a retrospective observational evaluation of programmatic data from the roll out of decentralised nurse-led mental health units

  Epilepsy/seizures Alcohol and other substance use disorder Intellectual disability Psychotic disorder (including mania) Moderate-severe emotional disorder/depression Other psychological complaint Medically unexplained somatic complaints
Incidence rate ratio p-value Incidence rate ratio p-value Incidence rate ratio p-value Incidence rate ratio p-value Incidence rate ratio p-value Incidence rate ratio p-value Incidence rate ratio p-value
Age groups
 0–14 1.17* 0.00016 0.88* 0.0091 1.13* 0.0081 0.94 0.066 0.91* 0.014 0.91* 0.042 0.85* 0.039
 15–17 0.93 0.14 1.11 0.066 1.08 0.16 1.02 0.60 1.03 0.54 1.06 0.38 1.05 0.60
 18–24 1.04 0.21 1.00 0.98 1.14* 0.0038 0.98 0.38 1.05 0.097 1.00 0.93 1.08 0.17
 25–34 0.95* 0.042 1.03 0.28 0.88*  < 0·0001 1.04* 0.049 1.00 0.86 1.01 0.72 1.02 0.68
 35–44 1.02 0.57 0.98 0.54 0.89* 0.0044 1.02 0.36 1.03 0.37 1.10 0.088 0.98 0.78
 45–54 1.00 0.94 0.98 0.81 0.93 0.27 1.04 0.37 1.04 0.44 1.05 0.56 1.05 0.61
 55–64 0.87 0.099 0.92 0.27 0.87 0.11 0.96 0.46 1.17* 0.020 1.01 0.95 1.36* 0.0059
 65–74 1.10 0.36 0.91 0.32 1.09 0.39 0.88 0.067 1.11 0.20 0.95 0.73 0.93 0.59
 75+ 0.93 0.65 1.09 0.67 0.91 0.69 1.39* 0.037 0.92 0.62 1.05 0.84 0.79 0.36
 Unknown 1.25 0.10 0.72 0.069 0.92 0.62 0.80 0.099 0.75* 0.046 1.00 0.99 1.41 0.20
 Constant 0.16* 0 0.12* 0 0.03* 0 0.20* 0 0.03* 0 0.07* 0 0.02* 0
 N 238   239   237   239   233   239   239  
Sex
 Number of males 1.04 0.11 1.05* 0.022 0.99 0.67 1.06* 0.0026 1.03* 0.011 0.99 0.29 0.98 0.31
 Number of females 1.00 0.84 0.93*  < 0·0001 1.02 0.64 0.95* 0.00017 1.01 0.54 1.03 0.070 1.03 0.13
 Constant 0.11* 0 0.12* 0 0.06* 0 0.21* 0 0.03* 0 0.08* 0 0.03* 0
 N 215   216   214   216   212   216   216  
Freetown vs the rest
 Freetown (ref: the rest) 0.03* 0 0.23*  < 0.0001 0.31* 0.0085 0.29*  < 0.0001 0.72 0.33 0.85 0.71 0.26* 0.013
 Constant 0.31* 0 0.11* 0 0.05* 0 0.22* 0 0.06* 0 0.09* 0 0.04* 0
 N 245   246   244   246   240   246   246  
Ebola—districts with high endemicity vs the rest
 High Ebola endemicity districts (ref: the rest) 0.68 0.071 0.91 0.72 0.33* 0.00019 0.67* 0.031 1.01 0.95 2.42* 0.00045 2.65* 0.0047
 Constant 0.32* 0 0.10* 0 0.07* 0 0.24* 0 0.05* 0 0.05* 0 0.02* 0
 N 245   246   244   246   240   246   246  
2015 vs 2016
 2015 (ref: 2016) 0.72 0.23 1.45 0.23 1.03 0.93 0.96 0.87 2.74*  < 0.0001 1.78 0.069 3.77* 0.00018
 Constant 0.35*  < 0.0001 0.06* 0 0.06* 0 0.19* 0 0.02* 0 0.05* 0 0.01* 0
 N 175   175   173   175   175   175   175