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Table 3 Comparison of median scores among different subgroups of respondents before and after intervention

From: Knowledge, attitude and practice towards medicines among school teachers in Lalitpur district, Nepal before and after an educational intervention

Characteristic Knowledge Attitude Practice Total
  Before After P value Before After P value Before After P value Before After P value
Gender             
Male 63 70 <0.001 23 28 <0.001 262 270 0.378 352 365 <0.001
Female 63 72 0.001 23 28 <0.001 270 270 0.277 356 366 <0.001
Age (in years) Δ             
  Below 20 63 55.5 0.805 21.5 28.5 0.015 270 270 0.592 349 364 0.144
  21–30 63 70 <0.001 23 29 <0.001 270 260 0.547 356 358 0.046
  31–40 63 70 <0.001 23 27 <0.001 260 270 0.159 346 372 <0.001
  41–50 61.5 71 <0.001 23 27 <0.001 270 280 0.006 356 378.5 <0.001
  51-60 63 70 0.949 22 23 1.000 290 210 0.027 363 286 0.062
Teachers             
Primary 63 72 <0.001 23 28 <0.001 270 270 0.440 351 366 <0.001
Secondary 63 72 <0.001 24 28 <0.001 270 270 0.423 350 365 <0.001
Ethnic/Caste groupΔ             
Brahmin 63 71.5 <0.001 23 29 <0.001 260 270 0.457 348 372 0.004
Chettri 63 74 <0.001 23 28 <0.001 260 270 0.509 351 372 <0.001
Newar 63 68 <0.001 23 27 <0.001 210 270 0.309 353 363 0.030
Others 64 74 <0.001 23 28 <0.001 260 270 0.665 325 355 0.411
Subject taughtΔ             
Nepali 63 70 <0.001 23 29 <0.001 270 270 0.457 355 372 0.031
Science 63 73 <0.001 23 29 <0.001 270 290 0.455 352 385 0.001
Math 63 72 <0.001 24 29 <0.001 270 270 0.576 357 365 0.211
English 63 67 <0.001 22 26.5 <0.001 270 270 0.945 356 356 0.224
Others 62.5 72 <0.001 22.5 27 <0.001 265 275 0.157 349.5 371 <0.001
QualificationsΔ             
Intermediate 62.5 69 0.223 23 23 0.017 255 270 0.895 337 346 0.845
Bachelor 63 70 <0.001 23 28 <0.001 270 270 0.281 353 362 <0.001
Master 62.5 71 <0.001 23 28.5 <0.001 270 270 0.452 359 371 <0.001
Type of school             
Government 66 70 <0.004 22 28 <0.001 230 270 0.148 321 359 <0.001
Private 63 71 <0.001 23 28 <0.001 270 270 0.071 357 369 <0.001
  1. ⃰ Mann–Whitney test was used as there were only two subgroups in this category.
  2. Δ Kruskal Wallis test was used as there were more than two subgroups in this category.