Table 1

 Baseline characteristics

Micronutrients (including zinc)Micronutrients (including zinc and bacteria)Placebo
(n = 25)(n = 25)(n = 25)
*Mean (SD).
†No. (%).
Age (months)*7.7 (1.5)8.5 (1.6)7.6 (1.5)
Boys†14 (56)16 (64)7 (28)
Anthropometric measures*
Weight (kg)7.2 (1.0)7.9 (0.9)7.1 (0.7)
Length (cm)67.2 (3.5)68 (3.8)65.3 (3.2)
Weight for age (Z-score)−1.27 (0.8)−0.9 (0.9)−1.15 (0.9)
Height for age (Z-score)−0.69 (1.0)−0.84 (1.4)−1.13 (1.0)
Weight for height (Z-score)−0.75 (1.1)−0.05 (1.1)−0.15 (1.3)
Feeding history†
Exclusively breast fed21 (84)22 (88)22 (88)
Duration of breast feeding
    <3 months1 (4)1 (4)1 (4)
    3–6 months01 (4)3 (12)
    >6 months6 (24)3 (12)6 (24)
    Still breast fed14 (56)19 (76)15 (60)
Age of starting complementary foods
    <6 months9 (36)4 (16)5 (20)
    6–9 months16 (64)19 (76)18 (72)
    >9 months02 (8)2 (8)
Immunisation status†
Vaccinated18 (72)19 (76)17 (68)
Vaccination card available17 (68)16 (64)16 (64)
Morbidity indicators (excluding diarrhoea)†
History of fever in the past week16 (64)16 (64)14 (56)
Duration (if fever)
    <3 days7 (44)7 (44)6 (43)
    ⩾3 days9 (56)9 (56)8 (57)
Intensity (if fever)
    Low grade13 (81)7 (44)5 (36)
    High grade3 (19)9 (56)9 (64)
Chest infection
    Presence of cough20 (80)21 (84)20 (80)
    Duration of cough (if cough)
        <3 days11 (55)11 (52)10 (50)
        ⩾3 days9 (45)10 (48)10 (50)
    Presence of dyspnoea9 (36)6 (24)3 (12)
    Presence of chest indrawing8 (32)4 (16)4 (16)
    Presence of nasal flaring8 (32)5 (20)4 (16)
    Presence of wheeze9 (36)7 (28)4(16)