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Table 3 Wilcoxon independent samples test (CMV serostatus) and Spearman’s rho correlations (CMV antibody titre and IL-6 level) (p values)

From: Seropositivity for CMV and IL-6 levels are associated with grip strength and muscle size in the elderly

  Male Female
  CMV status (pos/neg)a CMV titreb IL-6 titreb CMV status (pos/neg)a CMV titreb IL-6 titreb
Age in days at wave 2 .68 .09 .09 2.32 .17 .08
(.50) (.06) (.08) (.02) (<.01) (.14)
Height in cm −2.08 -.11 -.12 −2.50 -.09 .00
(.04) (.02) (.01) (.01) (.07) (.95)
Weight in kg 1.44 .07 .16 −1.06 .02 .30
(.15) (.15) (<.01) (.29) (.71) (<.001)
Total neck muscle CSA (mm 2 ) −1.60 -.06 .09 1.02 .09 .21
(.11) (.26) (.10) (.31) (.12) (<.001)
Grip strength right hand (kg) -.62 -.05 -.25 −2.81 -.10 -.07
(.54) (.34) (<.001) (.01) (.04) (.16)
Grip strength left hand (kg) −1.95 -.10 -.25 −2.04 -.08 -.08
(.05) (.03) (<.001) (.04) (.12) (.11)
Overcrowding index age 11 4.53 .17 .03 3.56 .16 .10
(<.001) (<.001) (.56) (<.001) (<.01) (.04)
Father’s job class as a number 3.82 .19 .03 2.51 .14 .16
(<.001) (<.001) (.55) (.01) (<.01) (<.01)
No. of years of full-time education −3.07 -.17 -.13 −1.57 -.11 -.10
(<.01) (<.001) (.01) (.12) (.01) (.04)
Indoor=1 or outdoor=2 toilet at age 11 0.47* .10 .04 0.69* .06 .05
(.02) (.03) (.37) (.33) (.18) (.30)
  1. aWilcoxon independent samples test statistic (and associated p values) for CMV status and all predictor variables except indoor/outdoor toilet age 11, which was analysed using the chi-square test and shows *the odds ratio for being CMV seropositive if indoor toilet age 11.
  2. bThe columns for CMV titre and IL-6 titre show the Spearman’s rho correlation with the predictor variables (and the associated p value).