Table 4. Demographic characteristics of SBA students who completed training at SMRU 2009–15.

Characteristics	Group 1 n = 19	Group 2 n = 23	Group 3 n = 18	Group 4 n = 19
Age in yrs., mean±SD [min-max]					27±9 [19–42]	23±4 [17–32]	23±3 [18–28]	24±2 [19–29]
Aged ≥ 30 yrs., n (%)	6 (32)	2 (9)	0	0
Number of languages spoken, n (%)
Two	5 (26)	4 (17)	2 (11)	8 (40)
Three	11 (58)	18 (78)	12 (67)	12 (60)
Four	3 (16)	1 (4)	4 (22)	0
English ability Good, (n) %	4 (21)	6 (26)	7 (39)	6 (32)
Theory median score [IQR*]	81 [76–86]	77 [75–89]	81 [75–85]	79 [70–83]

Abbreviations: SD standard deviation, IQR inter-quartile range.