Sedentarism in Recreational Marathon Runners

Figures & data

Table 1 Sedentary Behavior of Participants

Sedentary Behavior	Total (n=151)	Women (n=29)	Men (n=122)
Weekday
Sleeping (h)	7.0 (6.0–7.5)	7.0 (6.0–8.0)	7.0 (6.0–7.0)
Sitting while working (h)	5.8 (2.0–8.0)	4.8 (1.6–7.8)	6.0 (2.0–8.0)
Sitting while watching TV (h)	1.0 (0.5–2.0)	1.0 (0–2.5)	1.0 (0.6–2.0)
Sitting while watching PC (non-working) (h)	1.0 (0–2.0)	1.0 (0.8–2.0)	1.0 (0–2.0)
Sitting during transportation (h)	1.0 (0.3–1.5)	1.0 (1.3–2.0)	1.0 (0.2–1.5)
Sitting while socializing (h)	0.5 (0–1.0)	1.0 (0–1.8)	0.5 (0–1.0)
Total SB (h)	10.0 (7.4–12.0)	9.0 (7.4–12.3)	10.0 (7.3–12.0)
Weekend
Sleeping (h)	7.0 (7.0–8.0)*	7.0 (7.0–8.3)*	7.0 (7.0–8.0)*
Sitting while working (h)	1.5 (1.0–2.0)*	1.5 (1.0–2.0)*	2.0 (0.5–2.0)*
Sitting while watching TV (h)	2.0 (1.0–2.5)*	2.0 (0.3–2.5)	2.0 (1.0–3.0)*
Sitting while watching PC (non-working) (h)	1.0 (0.5–2.0)	1.0 (0–2.0)*	1.0 (0.5–2.0)
Sitting during transportation (h)	0.8 (0.0–1.0)*	0.6 (0–2.0)	0.9 (0–1.0)*
Sitting while socializing (h)	1.0 (0–1.0)*	1.0 (0–2.0)	1.0 (0–1.0)*
Total SB (h)	6.5 (5.0–9.0)*	6.0 (4.8–9.3)*	6.5 (5.0–9.0)*

Notes: *Different from the weekday value at p < 0.05. Values are presented as median with interquartile range in brackets.

Table 2 Training, Anthropometric and Physiological Characteristics by Sex and Sedentary Behavior

Parameter	Women (n=29)		Men (n=122)
	Non-Sedentary (n=16)	Sedentary (n=13)	Non-Sedentary (n=59)	Sedentary (n=63)
Age (years)	42.9±9.5	36.4±8.2*	43.3±10.1	44.3±6.7
Height (cm)	162.5±7.4	163.0±5.4	175.9±4.7	177.2±6.5
Weight (kg)	58.6±6.9	57.0±8.5	76.5±8.6	77.9±9.6
BMI (kg.m^−2)	22.1±1.6	21.4±2.9	24.7±2.6	24.8±2.5
BF (%)	20.7±4.1	18.5±5.4	17.7±3.8	17.7±4.2
Marathons (n)	2.8±2.1	3.9±5.1	5.6±6.8	5.6±6.3
Marathon record (h:min)	4:34±0:27	4:27±0:49	4:01±0:47	4:03±0:42
Training days (wk^−1)	4.6±1.1	3.7±1.7*	4.5±1.2	4.2±1.2
Training distance (km.wk^−1)	51.7±19.1	42.5±26.9	53.6±23.0	52.0±19.1
VO2max (mL.min^−1.kg^−1)	36.7±7.8	38.5±5.8	48.7±8.4	47.8±8.1
SAR (cm)	25.3±9.4	25.6±7.8	18.1±7.7	17.0±9.3
SJ (cm)	16.8±3.2	18.9±3.8	24.1±4.7	25.0±3.6
CMJ (cm)	17.4±3.7	19.8±3.8	25.8±5.1	26.5±4.3
Pmax (W.kg^−1)	8.53±0.88	8.88±1.33	10.43±1.67	10.34±1.25

Note: *Different from the non-sedentary score at p < 0.05.

Abbreviations: BMI, body mass index; BF, body fat percentage; VO₂max, maximal oxygen uptake; SAR, sit-and-reach test; SJ, squat jump; CMJ, countermovement jump; Pmax, anaerobic power.

Table 3 Correlations (Spearman’s Rho) of Training, Anthropometric and Physiological Characteristics with Total Sedentary Behavior by Sex

Parameter	Total Sedentary Behavior (h)
	Women (n=29)	Men (n=122)
Age (years)	−0.48*	0.07
Height (cm)	−0.08	0.06
Weight (kg)	−0.24	0.08
BMI (kg.m^−2)	−0.31	0.08
BF (%)	−0.17	0.02
Marathons (n)	−0.14	<0.01
Marathon record (h:min)	−0.08	0.05
Training days (wk^−1)	−0.17	−0.08
Training distance (km.wk^−1)	−0.09	−0.07
VO2max (mL.min^−1.kg^−1)	0.25	−0.10
SAR (cm)	−0.10	−0.01
SJ (cm)	0.49*	0.13
CMJ (cm)	0.42*	0.09
Pmax (W.kg^−1)	0.36	−0.01

Note: *Statistically significant at p < 0.05.

Abbreviations: BMI, body mass index; BF, body fat percentage; VO₂max, maximal oxygen uptake; SAR, sit-and-reach test; SJ, squat jump; CMJ, countermovement jump; Pmax, anaerobic power.