Table 4

Linear regression analysis of factors independently associated with labelling score (N=6461 drugs dispensed)*

Factors independently associated with labelling scoreNo of drugsUnstandardised coefficient B† (95% CI)t valuep value
*Only factors with p values <0.20 in the bivariate analysis were included in the linear regression.
†B is the regression coefficient, reflecting the slope of the least square line defined by the regression equation for a multivariate linear regression: y = a + b1x1+ b2x2+ …. bnxn + e.
Diagnosis
    Not specified (reference)19350.00
    Specified45260.14 (0.06 to 0.24)3.430.001
Prescriber qualification
    Not nurse (reference)10640.00
    Nurse53970.37 (0.26 to 0.48)6.700.0001
Prescribers’ practice
    >11 years (reference)22160.00
    4–11 years20960.27 (0.17 to 0.36)5.600.0001
    0–3 years21490.10 (0.03 to 0.19)2.170.03
Patient factors (age and sex)
    0–15 years (reference)18540.00
    16–31 years21650.11 (0.01 to 0.20)2.230.03
    >31 years24420.14 (0.04 to 0.24)2.990.003
    Male (reference)25600.00
    Female39010.19 (0.11 to 0.26)4.950.0001
Drug factors
    Other factors (reference)42980.00
    Analgesics21630.57 (0.49 to 0.65)14.410.0001
Health facility
    Clinic (reference)42090.00
    Health post22520.47 (0.37 to 0.57)9.410.0001
Health district
    Ngami (reference)21370.00
    Kgalagadi22270.98 (0.88 to 1.08)11.580.0001
    Gaborone20971.02 (0.85 to 1.20)19.170.0001