Research Article

Seroprevalence of Dengue IgG Antibodies among Healthy Adult Population in Lahore, Pakistan

Table 1

Seroprevalence of dengue IgG among healthy subjects in Lahore based on their sociodemographic characteristics ( ).

Characteristics IgG positive
(%)
IgG negative
(%)
Adjusted odds ratio95% CI.

Age (years)
 15–24 7645 (59.2)31 (40.8)1Reference
 25–348856 (63.6)32 (36.4)1.120.56–2.210.73
 35–444534 (75.6)11 (24.4)1.980.81–4.830.12
 45–542719 (70.4)08 (29.6)1.680.63–4.500.29
 55+3830 (78.9)08 (21.1)2.480.95–6.47 0.06
Sex
 Female91 58 (63.7)33 (36.3)1Reference
 Male183 126 (68.9)57 (31.1)1.310.66–2.63 0.43
Educational status
 No schooling67 51 (76.1)16 (23.9)1Reference
 Less than 10 years65 43 (66.2)22 (33.8)0.670.30–1.490.32
 10–12 years88 60 (68.2)28 (31.8)0.750.34–1.650.47
 More than 12 years 54 30 (55.6)24 (44.4)0.410.16–1.06 0.06
Monthly income (Pakistani Rupees)
 Low income204 139 (68.1) 65 (31.9)1Reference
 Middle income4433 (75.0) 11 (25.0)2.220.87–5.640.09
 Higher income26 12 (46.2) 14 (53.8)0.620.22–1.74 0.36
Occupation
 Unemployed9460 (63.8)34 (36.2)1Reference
 Unskilled workers8258 (70.7)24 (29.3)1.010.45–2.280.96
 Skilled workers5637 (66.1)19 (33.9)1.000.41–2.390.99
 Professional1005 (50.0)05 (50.0)0.760.18–3.130.71
 Business/trade3224 (75.0)08 (25.0)1.710.57–5.10 0.33
Socioeconomic status*
 Low SES8764 (73.6)23 (26.4)1Reference
 Middle SES13086 (66.2) 44 (33.8)0.370.12–1.150.08
 Upper SES57 34 (59.6) 23 (40.4)0.210.02–1.540.12

Low income: less than Rs.25000; middle income: Rs.25000–50000; higher income: >Rs.50000.
*Socioeconomic status (SES) is based on combined score computed from education, income, and occupation.