. 2017 Dec 21;19(12):e427. doi: 10.2196/jmir.9082

Table 6.

Results for the robustness of the effects of rewards on online contribution in the 10 major specialty areas.

Specialty and effects			Psychological reward				Material reward			R²
			Coefficient^a		P		Coefficient^a		P
Surgery										.592
	Main	0.265		<.001		0.638		<.001
	Quadratic	–0.022		<.001		–0.048		<.001
Internal medicine										.558
	Main	0.299		<.001		0.778		<.001
	Quadratic	–0.029		<.001		–0.063		<.001
Pediatrics										.594
	Main	0.303		<.001		0.632		<.001
	Quadratic	–0.025		<.001		–0.040		<.001
Traditional Chinese medicine										.576
	Main	0.391		<.001		0.806		<.001
	Quadratic	–0.041		<.001		–0.086		<.001
Orthopedics										.573
	Main	0.281		<.001		0.814		<.001
	Quadratic	–0.019		<.001		–0.083		<.001
Gynecology-obstetrics										.529
	Main	0.545		<.001		0.585		<.001
	Quadratic	–0.084		<.001		–0.026		<.001
Oral health										.548
	Main	0.215		<.001		0.883		<.001
	Quadratic	0.002		0.500		–0.096		<.001
Ophthalmology										.568
	Main	0.355		<.001		0.755		<.001
	Quadratic	–0.028		<.001		–0.081		<.001
Cancer										.622
	Main	0.102		0.045		0.811		<.001
	Quadratic	0.020		<.001		–0.069		<.001
Others										.599
	Main	0.286		<.001		0.730		<.001
	Quadratic	–0.011		<.001		–0.062		<.001

^aThe standardized regression coefficient related to reward.