Table 2.

 Characteristics of participants with pneumonia

	Girl	Boy	Boy	Boy	Boy	Boy	Boy
Age (years)	0.50	0.72	1.14	3.16	3.74	4.71	6.68
Randomisation group	Placebo	Placebo	Placebo	Placebo	Placebo	Co-trimoxazole	Placebo
Weight for age z score	−1.84	−2.39	−2.95	−1.13	−1.40	−1.17	−1.76
Day of treatment failure (after rash)	5	8	2	3	9	3	8
Reason for treatment failure	Admitted to hospital; pneumonia	Admitted to hospital; pneumonia	Admitted to hospital; pneumonia	Pneumonia	Pneumonia	Pneumonia	Pneumonia
Died of measles	No	No	No	No	No	No	No
Intensity of exposure	Secondary	Index	Secondary	Index	Secondary	Secondary	Index
Laboratory confirmed measles	Yes	Yes	Yes	No	Yes	Yes	Yes
Physician's diagnosis of measles	Definitive	Definitive	Definitive	Definitive	Definitive	Definitive	Definitive
Vaccinated against measles before disease	No*	No	Yes	No	Yes	Yes	Yes
Interval between first and second visit (days)	4	3	1	2	3	2	4
Chest radiograph	Not done	Yes: pneumonia	Yes: pneumonia	Yes: pneumonia	Yes: pneumonia	Not done	Not done
Blood culture	Not done	No: not possible	Yes: no growth	Yes: no growth	Not done	Not done	Not done

*Received a measles vaccination at age 6 months (day before entry in this study) in an early two dose trial11 and developed rash four days later; infected by her sister.