Research Article

Measles-Rubella Positivity Rate and Associated Factors in Pre-Mass and Post-Mass Vaccination Periods: Analysis of Uganda Routine Surveillance Laboratory Data

Table 2

Factors associated with the measles outcome among laboratory-examined cases before and after the 2019 measles-rubella mass vaccination campaign.

VariablePrecampaign season (n = 1373)Postcampaign season (n = 324)
PositiveNegativeχ2 valuePositiveNegativeχ2 value

Sex
Male297 (41.77)414 (58.23)0.0100.93468 (38.42)109 (61.58)0.0300.853
Female278 (41.99)384 (58.01)55 (37.41)92 (62.59)

Age
UANE82 (71.30)33 (28.70)58.940.00132 (64.00)18 (36.00)51.91<0.001
RICE421 (37.39)705 (62.61)51 (23.94)162 (76.06)
OANE72 (54.55)60 (45.45)40 (65.57)21 (34.43)

Place of residence
Urban1 (100)0 (0.00)0.4190 (0.00)2 (100)0.528
Rural574 (41.84)798 (58.16)123 (38.20)199 (61.80)

Vaccination status
Not vaccinated336 (49.48)343 (50.52)60.48<0.00165 (48.87)68 (51.13)16.900.001
1 dose152 (30.46)347 (69.54)26 (33.77)51 (66.23)
2+ doses16 (24.24)50 (75.76)12 (19.05)51 (80.95)
Unknown71 (55.04)58 (44.96)20 (39.22)31 (60.78)

Vitamin A doses
1 dose134 (36.71)231 (63.29)7.060.02928 (41.18)40 (58.82)0.720.697
2+ doses223 (45.79)264 (54.21)43 (35.25)78 (64.75)
Unknown218 (41.84)303 (58.16)52 (38.81)82 (61.19)

Specimen condition
Good575 (42.06)792 (57.94)0.078122 (37.77)201 (62.23)
Bad0 (0.00)5 (100)0 (0.00)0 (0.00)

Fisher’s exact test; not applicable.