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Table 2 Comparison of the number of each category of intervention given with different demographic characteristics and year—relationships between the number provided with each treatment (psychological, social, medication, and those for whom medication with unavailable or unaffordable) 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 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

  Psychological intervention Social intervention Medication provided Medication not available Medication not affordable
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 1.03 0.26 1.20* 0.00090 1.04 0.22 1.22* 0.029 1.15 0.17
 15–17 0.94* 0.019 0.84* 0.0028 0.94 0.083 1.06 0.66 0.94 0.55
 18–24 1.00 0.89 1.02 0.70 0.98 0.35 1.01 0.87 1.00 0.96
 25–34 0.99 0.61 0.96 0.18 0.99 0.48 0.86* 0.0095 1.01 0.86
 35–44 0.99 0.66 0.91* 0.0062 0.99 0.55 0.72* 0.022 1.03 0.61
 45–54 1.00 0.95 0.76* 0.0020 1.00 0.98 1.08 0.52 1.01 0.92
 55–64 1.03 0.56 1.00 0.97 0.90* 0.040 0.92 0.69 0.94 0.67
 65–74 0.96 0.55 1.02 0.90 1.04 0.63 0.99 0.97 0.94 0.69
 75+ 1.09 0.31 1.41 0.14 1.17 0.19 0.41 0.081 0.80 0.61
 Unknown 1.07 0.36 1.24 0.19 1.09 0.36 0.60 0.17 0.86 0.61
 Constant 0.68* < 0.0001 0.27* 0 0.55* < 0.0001 0.14* < 0.0001 0.03* 0
 N 231   230   231   190   183  
Sex
 Number of males 1.01 0.21 1.03 0.21 1.02 0.18 1.14* 0.046 1.10* 0.022
 Number of females 0.98 0.057 0.96 0.069 0.97* 0.021 0.88* 0.034 0.97 0.31
 Constant 0.66*  < 0.0001 0.17* 0 0.45* 0 0.10* 0 0.03* 0
 N 206   205   206   165   157  
Freetown vs the rest
 Freetown (ref: the rest) 0.27* 0 0.24* 0.00050 0.16* 0 0.02*  < 0.0001 0.06*  < 0.0001
 Constant 0.71* 0 0.26* 0 0.52* 0 0.13* 0 0.07* 0
 N 236   235   236   192   184  
Ebola—districts with high endemicity vs the rest
 High Ebola endemicity districts (ref: the rest) 0.70* 0.0010 0.78 0.31 0.52* < 0.0001 0.05* < 0.0001 1.66 0.18
 Constant 0.74* < 0.0001 0.26* 0 0.57* 0 0.18* 0 0.05* 0
 Observations 236   235   236   192   184  
2015 vs 2016
 2015 (ref: 2016) 1.24 0.090 1.40 0.25 0.91 0.59 3.09* 0.016 0.51 0.13
 Constant 0.63* < 0.0001 ` 0 0.52* < 0.0001 0.08* 0 0.09* 0
 N 166   164   165   141   139