Table 1.
Note.—Unless otherwise indicated, data are means ± standard deviation.
*χ2 test.
†2 × 2 analysis of covariance.
‡Independent samples t test, equal variances not assumed.
Note.—Unless otherwise indicated, data are means ± standard deviation.
*χ2 test.
†2 × 2 analysis of covariance.
‡Independent samples t test, equal variances not assumed.