Ambulatory Blood Pressure Monitoring (ABPM) and Heart Rate Variability (HRV) during harvest and non-harvest periods in 28 participants.

a: standard deviation;b: multiple analysis adjusted for age, body mass index and smoking;c: regression coefficient and 95% confidence interval;d: Twenty-four-hour Ambulatory blood pressure monitoring;e: Systolic blood pressure;f: Mean blood pressure;g: Twenty-four-hour electrocardiogram-heart rate variability;h: standard deviation of normal RR intervals;i: milliseconds;j: Standard Deviation of Sequential Five-Minute R-R Interval Means;k: root mean square of successive differences in adjacent NN intervals.