The primary outcome variables of this study were cervical dilatation and the occurrence of delivery within 24 hours after the 1-hour labor check evaluation. Secondary outcome variables were the effect of activity level on comfort during the 1-hour labor check evaluation and the sensitivity and specificity of the 1-hour labor check evaluation to predict delivery within the next 24 hours. We used the definition of a positive and negative labor check evaluation result based on the criteria used at our institution: when the initial evaluation for the presence of active labor is inconclusive, a change from baseline values in cervical dilatation of ≥1 cm after the 1 hour period indicates a positive labor check, with delivery likely within 24 hours. No change in cervical dilatation over the 1-hour period is a negative labor check and occurrence of delivery within 24 hours is not likely.