运动友谊质量存在年龄、性别的差异。
There are differences of age and gender in sports friendship quality.
不同性别的主观支持得分比较，差异有统计学意义（P<0.05）；
The different objective support, support availability and social support scores existed in different professions (P< 0.05);
不同性别的主观支持得分比较，差异有统计学意义（P<0.05）；
The different objective support, support availability and social support scores existed in different professions (P< 0.05);
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