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. 2019 Jul 22;14(7):e0220035. doi: 10.1371/journal.pone.0220035

Table 1. Socio-demographic characteristics in relation to back and LEDs, Ethiopia, 2017.

Variables
(N = 429)
Frequency Percentage (%) P-value
Sex
Male 373 86.9
Female 56 13.1 0.177
Age
≤ 30 years 368 85.8
>30 years 61 14.2 0.001
Marital status
Married 134 32.2
Single 260 60.6
Divorced 35 8.2 0.060
Educational status
Cannot read and write 45 10.5 0.178
Primary education (1–8) 72 16.8
Secondary education (9–12) 213 49.7
Above secondary education 99 23.1
Monthly salary
<1100 ETB 30 7.0 0.149
  1101–1700 ETB 247 57.6
>1700 ETB 152 35.4
Religion
Orthodocs 348 81.1 0.125
Catholic 12 2.8
Protestant 34 7.9
Muslim 35 8.2
Experience
≤ 5 years 308 71.8
>5 years 121 28.2 0.008

Keys: ETB = Ethiopian birr (currency); N = number; LEDs = lower extremity disorders