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Table 3 LBP rate by company based on utilization data

From: Brief psychosocial education, not core stabilization, reduced incidence of low back pain: results from the Prevention of Low Back Pain in the Military (POLM) cluster randomized trial

Training Group Company N Number (%) of Soldiers with LBP incidence resulting in seeking of health care
TEP 1 191 30 (15.7%)
  2 252 41 (16.3%)
  3 228 37 (16.2%)
  4 297 59 (19.9%)
  5 248 46 (18.5%)
  All 1216 213 (17.5%)
TEP + PSEP 1 272 36 (13.2%)
  2 85 12 (14.1%)
  3 229 39 (17.0%)
  4 103 15 (14.6%)
  5 263 30 (11.4%)
  All 952 132 (13.9%)
CSEP 1 250 44 (17.6%)
  2 271 33 (12.2%)
  3 239 50 (20.9%)
  4 269 55 (20.4%)
  5 67 11 (16.4%)
  All 1096 193 (17.6%)
CSEP + PSEP 1 217 37 (17.1%)
  2 183 26 (14.2%)
  3 193 29 (15.0%)
  4 201 35 (17.4%)
  5 267 41 (15.4%)
  All 1061 168 (15.8%)
CSEP Yes 2157 361(16.7%)
  No 2168 345 (15.9%)
PSEP Yes 2013 300 (14.9%)
  No 2312 406 (17.6%)
  1. Data presented in the table are unadjusted. Total intervention groups are in bold. The intracluster correlation coefficient (ICC) is 0.0053. For the test of equal LBP rate across intervention groups, comparing TEP Yes vs No, and comparing PSEP Yes vs No, the Chi-Square values equal to 6.99, 0.54, and 5.56; with corresponding P-values of 0.0722, 0.4641 and 0.0183, respectively. Adjusting for ICC, the Chi-square values reduce to 6.35, 0.49, and 5.05; with corresponding P-values of 0.0957, 0.482 and 0.0246, respectively